chore: release 2.4.4 (#566)

🤖 I have created a release \*beep\* \*boop\*
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### [2.4.4](https://www.github.com/googleapis/java-dlp/compare/v2.4.3...v2.4.4) (2021-07-02)


### Bug Fixes

* Add `shopt -s nullglob` to dependencies script ([#570](https://www.github.com/googleapis/java-dlp/issues/570)) ([a48d010](https://www.github.com/googleapis/java-dlp/commit/a48d0100ece21f77bf0a097668c6b928901bb97e))
* Update dependencies.sh to not break on mac ([#565](https://www.github.com/googleapis/java-dlp/issues/565)) ([b50633b](https://www.github.com/googleapis/java-dlp/commit/b50633bb19291cffce6397e687c5ceb70cb4d425))


### Dependencies

* update dependency com.google.cloud:google-cloud-pubsub to v1.113.4 ([#569](https://www.github.com/googleapis/java-dlp/issues/569)) ([2f56edd](https://www.github.com/googleapis/java-dlp/commit/2f56eddaf8c2083ea243554703532e93c111a6d5))
* update dependency com.google.cloud:google-cloud-shared-dependencies to v1.4.0 ([#574](https://www.github.com/googleapis/java-dlp/issues/574)) ([31110da](https://www.github.com/googleapis/java-dlp/commit/31110da3cdce9882bb98d14adc49196050ac21dd))
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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>2.4.4-SNAPSHOT</version>
+      <version>2.4.4</version>
     </dependency>
     <!-- {x-version-update-end} -->