Bump com.google.cloud.tools:jib-maven-plugin from 3.4.0 to 3.4.3 (#152)

Bumps [com.google.cloud.tools:jib-maven-plugin](https://github.com/GoogleContainerTools/jib) from 3.4.0 to 3.4.3.
- [Release notes](https://github.com/GoogleContainerTools/jib/releases)
- [Commits](https://github.com/GoogleContainerTools/jib/commits)

---
updated-dependencies:
- dependency-name: com.google.cloud.tools:jib-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pom.xml

@@ -31,7 +31,7 @@
         <build-helper-maven-plugin.version>3.2.0</build-helper-maven-plugin.version>
 
         <!-- Docker -->
-        <docker.jib-maven-plugin.version>3.4.0</docker.jib-maven-plugin.version>
+        <docker.jib-maven-plugin.version>3.4.3</docker.jib-maven-plugin.version>
         <docker.image.prefix>springcommunity</docker.image.prefix>
         <maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
     </properties>