chore(main): release 3.6.4 (#948)

🤖 I have created a release *beep* *boop*
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## [3.6.4](googleapis/java-dlp@v3.6.3...v3.6.4) (2022-08-02)


### Dependencies

* update dependency com.google.cloud:google-cloud-pubsub to v1.120.5 ([#943](googleapis/java-dlp#943)) ([ddcc6dd](googleapis/java-dlp@ddcc6dd))
* update dependency com.google.cloud:google-cloud-pubsub to v1.120.8 ([#947](googleapis/java-dlp#947)) ([41ba0fc](googleapis/java-dlp@41ba0fc))
* update dependency com.google.cloud:google-cloud-shared-dependencies to v3.0.1 ([#946](googleapis/java-dlp#946)) ([15e9725](googleapis/java-dlp@15e9725))

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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).

dlp/snippets/snapshot/pom.xml

@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-dlp</artifactId>
-      <version>3.6.4-SNAPSHOT</version>
+      <version>3.6.4</version>
     </dependency>
     <!-- {x-version-update-end} -->