chore(main): release 3.6.6 (#956)

🤖 I have created a release *beep* *boop*
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## [3.6.6](googleapis/java-dlp@v3.6.5...v3.6.6) (2022-08-04)


### Dependencies

* update dependency com.google.cloud:google-cloud-pubsub to v1.120.10 ([#955](googleapis/java-dlp#955)) ([5e28ddc](googleapis/java-dlp@5e28ddc))

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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>3.6.6-SNAPSHOT</version>
+      <version>3.6.6</version>
     </dependency>
     <!-- {x-version-update-end} -->