deps: update dependency com.google.cloud:google-cloud-monitoring-bom …

…to v3.4.2 (#1374)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-monitoring-bom](https://togithub.com/googleapis/java-monitoring) | `3.4.1` -> `3.4.2` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-monitoring-bom/3.4.2/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-monitoring-bom/3.4.2/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-monitoring-bom/3.4.2/compatibility-slim/3.4.1)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-monitoring-bom/3.4.2/confidence-slim/3.4.1)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

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

### [`v3.4.2`](https://togithub.com/googleapis/java-monitoring/blob/HEAD/CHANGELOG.md#&#8203;342-httpsgithubcomgoogleapisjava-monitoringcomparev341v342-2022-08-31)

[Compare Source](https://togithub.com/googleapis/java-monitoring/compare/v3.4.1...v3.4.2)

##### Dependencies

-   update dependency com.google.protobuf:protobuf-java-util to v3.21.5 ([#&#8203;910](https://togithub.com/googleapis/java-monitoring/issues/910)) ([c9f0f96](https://togithub.com/googleapis/java-monitoring/commit/c9f0f9602209c077d614245f87e06527b897d461))

</details>

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google-cloud-bigtable/pom.xml

@@ -57,7 +57,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-monitoring-bom</artifactId>
-        <version>3.4.1</version> <!-- needs to be in sync with google-cloud-bigtable-stats -->
+        <version>3.4.2</version> <!-- needs to be in sync with google-cloud-bigtable-stats -->
         <type>pom</type>
         <scope>import</scope>
       </dependency>