deps: update google.core.version to v2.8.10 (#787)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-core](https://togithub.com/googleapis/java-core) | `2.8.9` -> `2.8.10` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core/2.8.10/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core/2.8.10/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core/2.8.10/compatibility-slim/2.8.9)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core/2.8.10/confidence-slim/2.8.9)](https://docs.renovatebot.com/merge-confidence/) |
| [com.google.cloud:google-cloud-core-bom](https://togithub.com/googleapis/java-core) | `2.8.9` -> `2.8.10` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core-bom/2.8.10/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core-bom/2.8.10/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core-bom/2.8.10/compatibility-slim/2.8.9)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core-bom/2.8.10/confidence-slim/2.8.9)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

<details>
<summary>googleapis/java-core</summary>

### [`v2.8.10`](https://togithub.com/googleapis/java-core/blob/HEAD/CHANGELOG.md#&#8203;2810-httpsgithubcomgoogleapisjava-corecomparev289v2810-2022-08-24)

[Compare Source](https://togithub.com/googleapis/java-core/compare/v2.8.9...v2.8.10)

##### Dependencies

-   update dependency com.google.api:gax-bom to v2.19.0 ([#&#8203;907](https://togithub.com/googleapis/java-core/issues/907)) ([51b824c](https://togithub.com/googleapis/java-core/commit/51b824c225fd7095138e1ec2b6d47af4e2a34352))
-   update dependency io.grpc:grpc-bom to v1.49.0 ([#&#8203;908](https://togithub.com/googleapis/java-core/issues/908)) ([fbccd2d](https://togithub.com/googleapis/java-core/commit/fbccd2daceb0984c7cb95f84f89a116e54bf4ddc))

</details>

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first-party-dependencies/pom.xml

@@ -62,7 +62,7 @@
     <protobuf.version>3.21.5</protobuf.version>
     <google.api-common.version>2.2.1</google.api-common.version>
     <google.common-protos.version>2.9.2</google.common-protos.version>
-    <google.core.version>2.8.9</google.core.version>
+    <google.core.version>2.8.10</google.core.version>
     <google.auth.version>1.10.0</google.auth.version>
     <google.http-client.version>1.42.2</google.http-client.version>
     <google.oauth-client.version>1.34.1</google.oauth-client.version>