chore: release 0.121.0 (#542)

🤖 I have created a release \*beep\* \*boop\*
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## [0.121.0](https://www.github.com/googleapis/java-errorreporting/compare/v0.120.25...v0.121.0) (2021-05-26)


### Features

* add `gcf-owl-bot[bot]` to `ignoreAuthors` ([#541](https://www.github.com/googleapis/java-errorreporting/issues/541)) ([95adb02](https://www.github.com/googleapis/java-errorreporting/commit/95adb02e2f03c0116789c33adf4247475c5caa3d))


### Dependencies

* update dependency com.google.cloud:google-cloud-shared-dependencies to v1.2.0 ([#540](https://www.github.com/googleapis/java-errorreporting/issues/540)) ([160a4c2](https://www.github.com/googleapis/java-errorreporting/commit/160a4c207c598bd092baef6e48ccd75517d8c3ba))
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This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please).

Author: release-please[bot]

errorreporting/snapshot/pom.xml

@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-errorreporting</artifactId>
-      <version>0.120.43-beta-SNAPSHOT</version>
+      <version>0.121.0-beta</version>
     </dependency>
     <!-- {x-version-update-end} -->