Bump org.jacoco:jacoco-maven-plugin in /xmvn-parent

Bumps [org.jacoco:jacoco-maven-plugin](https://github.com/jacoco/jacoco) from 0.8.10 to 0.8.12.
- [Release notes](https://github.com/jacoco/jacoco/releases)
- [Commits](jacoco/jacoco@v0.8.10...v0.8.12)

---
updated-dependencies:
- dependency-name: org.jacoco:jacoco-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

xmvn-parent/pom.xml

@@ -99,7 +99,7 @@
     <gpgPluginVersion>3.2.6</gpgPluginVersion>
     <injectionApiVersion>1</injectionApiVersion>
     <installPluginVersion>3.1.3</installPluginVersion>
-    <jacocoVersion>0.8.10</jacocoVersion>
+    <jacocoVersion>0.8.12</jacocoVersion>
     <jarPluginVersion>3.3.0</jarPluginVersion>
     <javadocPluginVersion>3.5.0</javadocPluginVersion>
     <junitVersion>5.9.2</junitVersion>