chore(deps): update dependency com.google.cloud:google-cloud-errorreporting to v0.120.39-beta (#482)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-errorreporting](https://togithub.com/GoogleCloudPlatform/google-cloud-java) | `0.120.36-beta` -> `0.120.39-beta` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-errorreporting/0.120.39-beta/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-errorreporting/0.120.39-beta/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-errorreporting/0.120.39-beta/compatibility-slim/0.120.36-beta)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-errorreporting/0.120.39-beta/confidence-slim/0.120.36-beta)](https://docs.renovatebot.com/merge-confidence/) |

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errorreporting/install-without-bom/pom.xml

@@ -29,7 +29,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-errorreporting</artifactId>
-      <version>0.120.36-beta</version>
+      <version>0.120.39-beta</version>
     </dependency>
     <!-- [END clouderrorreporting_install_without_bom] -->