Bump pitest-maven from 1.11.7 to 1.12.0 (#332)

Bumps [pitest-maven](https://github.com/hcoles/pitest) from 1.11.7 to 1.12.0.
- [Release notes](https://github.com/hcoles/pitest/releases)
- [Commits](hcoles/pitest@1.11.7...1.12.0)

---
updated-dependencies:
- dependency-name: org.pitest:pitest-maven
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -219,7 +219,7 @@
 					     a `mvn test-compile` invocation -->
 					<groupId>org.pitest</groupId>
 					<artifactId>pitest-maven</artifactId>
-					<version>1.11.7</version>
+					<version>1.12.0</version>
 					<configuration>
 						<timestampedReports>false</timestampedReports>
 						<exportLineCoverage>true</exportLineCoverage>