Bump com.arcmutate:pitest-git-plugin from 2.1.0 to 2.2.1 in /service (#1193)

Bumps com.arcmutate:pitest-git-plugin from 2.1.0 to 2.2.1.

---
updated-dependencies:
- dependency-name: com.arcmutate:pitest-git-plugin
  dependency-version: 2.2.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

service/build.gradle

@@ -74,7 +74,7 @@ dependencies {
 	testImplementation 'io.findify:s3mock_2.13:0.2.6'
 
 	pitest 'com.arcmutate:base:1.3.2'
-	pitest 'com.arcmutate:pitest-git-plugin:2.1.0'
+	pitest 'com.arcmutate:pitest-git-plugin:2.2.1'
 }
 
 test {