deps: update dependency com.google.cloud:google-cloud-monitoring-bom to v3.4.2 (#1373)

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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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Author: renovate-bot

google-cloud-bigtable-stats/pom.xml

@@ -17,7 +17,7 @@
     <description>Experimental project to shade OpenCensus dependencies.</description>
 
     <properties>
-        <cloud.monitoring.version>3.4.1</cloud.monitoring.version>
+        <cloud.monitoring.version>3.4.2</cloud.monitoring.version>
     </properties>
 
     <dependencyManagement>