chore: release 0.122.6 (#696)

🤖 I have created a release \*beep\* \*boop\*
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### [0.122.6](https://www.github.com/googleapis/java-errorreporting/compare/v0.122.5...v0.122.6) (2021-09-27)


### Dependencies

* update dependency com.google.cloud:google-cloud-core to v2.1.5 ([#685](https://www.github.com/googleapis/java-errorreporting/issues/685)) ([d673d99](https://www.github.com/googleapis/java-errorreporting/commit/d673d99366ccdd881136f538d8305a7272ad4b87))
* update dependency com.google.cloud:google-cloud-core to v2.1.6 ([#686](https://www.github.com/googleapis/java-errorreporting/issues/686)) ([638f03e](https://www.github.com/googleapis/java-errorreporting/commit/638f03e24edfa8018f17be41f4225e9dc9d8ac9e))
* update dependency com.google.cloud:google-cloud-core to v2.1.7 ([#689](https://www.github.com/googleapis/java-errorreporting/issues/689)) ([b4cc92f](https://www.github.com/googleapis/java-errorreporting/commit/b4cc92fb9fbbd5820c542c7b21a5c8a61374321b))
* update dependency com.google.cloud:google-cloud-shared-dependencies to v2.3.0 ([#687](https://www.github.com/googleapis/java-errorreporting/issues/687)) ([d2a6d1f](https://www.github.com/googleapis/java-errorreporting/commit/d2a6d1f8dcb54b812ed76fd8c9b63c8a40782a2b))
---


This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please).

errorreporting/snapshot/pom.xml

@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-errorreporting</artifactId>
-      <version>0.122.6-beta-SNAPSHOT</version>
+      <version>0.122.6-beta</version>
     </dependency>
     <!-- {x-version-update-end} -->