build(deps): bump org.apache.maven.extensions:maven-build-cache-extension

Bumps [org.apache.maven.extensions:maven-build-cache-extension](https://github.com/apache/maven-build-cache-extension) from 1.2.0 to 1.2.1.
- [Release notes](https://github.com/apache/maven-build-cache-extension/releases)
- [Commits](apache/maven-build-cache-extension@maven-build-cache-extension-1.2.0...maven-build-cache-extension-1.2.1)

---
updated-dependencies:
- dependency-name: org.apache.maven.extensions:maven-build-cache-extension
  dependency-version: 1.2.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

.mvn/extensions.xml

@@ -3,6 +3,6 @@
     <extension>
         <groupId>org.apache.maven.extensions</groupId>
         <artifactId>maven-build-cache-extension</artifactId>
-        <version>1.2.0</version>
+        <version>1.2.1</version>
     </extension>
 </extensions>