Bump scmPluginVersion from 1.11.3 to 1.12.0

Bumps `scmPluginVersion` from 1.11.3 to 1.12.0.

Updates `maven-scm-provider-jgit` from 1.11.3 to 1.12.0

Updates `maven-scm-plugin` from 1.11.3 to 1.12.0
- [Release notes](https://github.com/apache/maven-scm/releases)
- [Commits](apache/maven-scm@maven-scm-1.11.3...maven-scm-1.12.0)

---
updated-dependencies:
- dependency-name: org.apache.maven.scm:maven-scm-provider-jgit
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.apache.maven.plugins:maven-scm-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -149,7 +149,7 @@
     <invokerPluginVersion>3.2.2</invokerPluginVersion>
     <javadocPluginVersion>3.3.1</javadocPluginVersion>
     <pluginPluginVersion>3.6.1</pluginPluginVersion>
-    <scmPluginVersion>1.11.3</scmPluginVersion>
+    <scmPluginVersion>1.12.0</scmPluginVersion>
     <sitePluginVersion>3.9.1</sitePluginVersion>
     <sitePlugin36Version>3.6</sitePlugin36Version> <!-- For MFINDBUGS-145 (breaks on newer jdks, revisit this on spotbugs 4.3.x and simply drop the old support) -->
     <versionsPluginVersion>2.8.1</versionsPluginVersion>