chore: release 2.4.6 (#607)

🤖 I have created a release \*beep\* \*boop\*
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### [2.4.6](https://www.github.com/googleapis/java-dlp/compare/v2.4.5...v2.4.6) (2021-08-11)


### Dependencies

* update dependency com.google.cloud:google-cloud-pubsub to v1.113.6 ([#608](https://www.github.com/googleapis/java-dlp/issues/608)) ([617f002](https://www.github.com/googleapis/java-dlp/commit/617f0020c27472c68c82b57e89885f34880d2e1c))
* update dependency com.google.cloud:google-cloud-shared-dependencies to v2 ([#605](https://www.github.com/googleapis/java-dlp/issues/605)) ([175ebf4](https://www.github.com/googleapis/java-dlp/commit/175ebf48b81634a3da1a924073f811515bab1eba))
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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]

dlp/snippets/snapshot/pom.xml

@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-dlp</artifactId>
-      <version>2.4.6-SNAPSHOT</version>
+      <version>2.4.6</version>
     </dependency>
     <!-- {x-version-update-end} -->