build: bump com.google.cloud.tools:jib-maven-plugin in /example

Bumps [com.google.cloud.tools:jib-maven-plugin](https://github.com/GoogleContainerTools/jib) from 3.5.1 to 3.5.2.
- [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-version: 3.5.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

example/pom.xml

@@ -25,7 +25,7 @@
     <maven-enforcer-plugin>3.6.3</maven-enforcer-plugin>
     <arch-unit-maven-plugin.version>5.0.0</arch-unit-maven-plugin.version>
     <jacoco-maven-plugin.version>0.8.15</jacoco-maven-plugin.version>
-    <jib-maven.plugin.version>3.5.1</jib-maven.plugin.version>
+    <jib-maven.plugin.version>3.5.2</jib-maven.plugin.version>
     <githook-maven-plugin.version>1.0.5</githook-maven-plugin.version>
     <pitest-maven-plugin.version>1.25.7</pitest-maven-plugin.version>
     <pitest-junit5-plugin.version>1.2.3</pitest-junit5-plugin.version>