chore(deps): update dependency google-cloud-datastore to v2.2.0 (Goog…

…leCloudPlatform#6888)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [google-cloud-datastore](https://togithub.com/googleapis/python-datastore) | `==2.1.6` -> `==2.2.0` | [![age](https://badges.renovateapi.com/packages/pypi/google-cloud-datastore/2.2.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/pypi/google-cloud-datastore/2.2.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/pypi/google-cloud-datastore/2.2.0/compatibility-slim/2.1.6)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/pypi/google-cloud-datastore/2.2.0/confidence-slim/2.1.6)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>googleapis/python-datastore</summary>

### [`v2.2.0`](https://togithub.com/googleapis/python-datastore/blob/master/CHANGELOG.md#&#8203;220-httpswwwgithubcomgoogleapispython-datastorecomparev216v220-2021-10-08)

[Compare Source](https://togithub.com/googleapis/python-datastore/compare/v2.1.6...v2.2.0)

##### Features

-   add support for Python 3.10 ([#&GoogleCloudPlatform#8203;233](https://www.togithub.com/googleapis/python-datastore/issues/233)) ([f524c40](https://www.github.com/googleapis/python-datastore/commit/f524c40e8251c2b716ea87cd512404f0d6f1b019))

##### [2.1.6](https://www.github.com/googleapis/python-datastore/compare/v2.1.5...v2.1.6) (2021-07-26)

##### Documentation

-   add Samples section to CONTRIBUTING.rst ([#&GoogleCloudPlatform#8203;195](https://www.togithub.com/googleapis/python-datastore/issues/195)) ([f607fb5](https://www.github.com/googleapis/python-datastore/commit/f607fb544a2f7279267e5a5a534fc31e573b6b74))

##### [2.1.5](https://www.github.com/googleapis/python-datastore/compare/v2.1.4...v2.1.5) (2021-07-20)

##### Bug Fixes

-   **deps:** pin 'google-{api,cloud}-core', 'google-auth' to allow 2.x versions ([#&GoogleCloudPlatform#8203;194](https://www.togithub.com/googleapis/python-datastore/issues/194)) ([e94f97c](https://www.github.com/googleapis/python-datastore/commit/e94f97ce42b04ba76766737eb69cdaf92bc2ac05))

##### [2.1.4](https://www.github.com/googleapis/python-datastore/compare/v2.1.3...v2.1.4) (2021-07-09)

##### Performance Improvements

-   further avoid using proto-plus wrapper when unmarshalling entities ([#&GoogleCloudPlatform#8203;190](https://www.togithub.com/googleapis/python-datastore/issues/190)) ([d0481bf](https://www.github.com/googleapis/python-datastore/commit/d0481bf8caa84a829808e7f512fda8709f38d0cc))

##### Documentation

-   omit mention of Python 2.7 in 'CONTRIBUTING.rst' ([#&GoogleCloudPlatform#8203;1127](https://www.togithub.com/googleapis/python-datastore/issues/1127)) ([#&GoogleCloudPlatform#8203;181](https://www.togithub.com/googleapis/python-datastore/issues/181)) ([6efde70](https://www.github.com/googleapis/python-datastore/commit/6efde70db751bf708091b24a932ab8571bd981a6))

##### [2.1.3](https://www.github.com/googleapis/python-datastore/compare/v2.1.2...v2.1.3) (2021-05-25)

##### Bug Fixes

-   **perf:** improve performance unmarshalling entities from protobuf2 ([#&GoogleCloudPlatform#8203;175](https://www.togithub.com/googleapis/python-datastore/issues/175)) ([0e5b718](https://www.github.com/googleapis/python-datastore/commit/0e5b718a70368f656ede3a27174ef74ca324ab65))

##### [2.1.2](https://www.github.com/googleapis/python-datastore/compare/v2.1.1...v2.1.2) (2021-05-03)

##### Bug Fixes

-   pass transaction's options to API in 'begin' ([#&GoogleCloudPlatform#8203;143](https://www.togithub.com/googleapis/python-datastore/issues/143)) ([924b10b](https://www.github.com/googleapis/python-datastore/commit/924b10b11eb7ff52367f388cf5c8e16aa9b2e32e))

##### Documentation

-   update intersphinx URLs for grpc and auth ([#&GoogleCloudPlatform#8203;93](https://www.togithub.com/googleapis/python-datastore/issues/93)) ([4f90d04](https://www.github.com/googleapis/python-datastore/commit/4f90d04c81aacdbaf83f5a9dc996898fa9c7ba26))

##### [2.1.1](https://www.github.com/googleapis/python-datastore/compare/v2.1.0...v2.1.1) (2021-04-20)

##### Bug Fixes

-   make HTTPDatastoreAPI compatible w/ microgen Gapic API ([#&GoogleCloudPlatform#8203;136](https://www.togithub.com/googleapis/python-datastore/issues/136)) ([d522799](https://www.github.com/googleapis/python-datastore/commit/d5227994a4a5e2300905d6619742664dcd909443))
-   optimize protobuf access for performance ([#&GoogleCloudPlatform#8203;155](https://www.togithub.com/googleapis/python-datastore/issues/155)) ([5b67daa](https://www.github.com/googleapis/python-datastore/commit/5b67daa3b2da1f0b5dd5b25e14bd5dee4444120b)), closes [#&GoogleCloudPlatform#8203;145](https://www.togithub.com/googleapis/python-datastore/issues/145) [#&GoogleCloudPlatform#8203;150](https://www.togithub.com/googleapis/python-datastore/issues/150)

</details>

---

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appengine/flexible/datastore/requirements.txt

@@ -1,3 +1,3 @@
 Flask==2.0.1
-google-cloud-datastore==2.1.6
+google-cloud-datastore==2.2.0
 gunicorn==20.1.0

appengine/standard_python3/building-an-app/building-an-app-2/requirements.txt

@@ -1,2 +1,2 @@
 Flask==2.0.1
-google-cloud-datastore==2.1.6
+google-cloud-datastore==2.2.0

appengine/standard_python3/building-an-app/building-an-app-3/requirements.txt

@@ -1,4 +1,4 @@
 Flask==2.0.1
-google-cloud-datastore==2.1.6
+google-cloud-datastore==2.2.0
 google-auth==2.0.0
 requests==2.26.0

appengine/standard_python3/building-an-app/building-an-app-4/requirements.txt

@@ -1,4 +1,4 @@
 Flask==2.0.1
-google-cloud-datastore==2.1.6
+google-cloud-datastore==2.2.0
 google-auth==2.0.0
 requests==2.26.0

blog/introduction_to_data_models_in_cloud_datastore/requirements.txt

@@ -1 +1 @@
-google-cloud-datastore==2.1.6
+google-cloud-datastore==2.2.0

codelabs/flex_and_vision/requirements.txt

@@ -3,4 +3,4 @@ gunicorn==20.0.4; python_version > '3.0'
 gunicorn==19.10.0; python_version < '3.0'
 google-cloud-vision==2.4.4
 google-cloud-storage==1.42.2
-google-cloud-datastore==2.1.6
+google-cloud-datastore==2.2.0

datastore/cloud-client/requirements.txt

@@ -1 +1 @@
-google-cloud-datastore==2.1.6
+google-cloud-datastore==2.2.0