chore(deps): bump org.pitest:pitest-maven in /apps/backend (#357)

Bumps [org.pitest:pitest-maven](https://github.com/hcoles/pitest) from 1.15.3 to 1.22.0.
- [Release notes](https://github.com/hcoles/pitest/releases)
- [Commits](hcoles/pitest@1.15.3...1.22.0)

---
updated-dependencies:
- dependency-name: org.pitest:pitest-maven
  dependency-version: 1.22.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

apps/backend/pom.xml

@@ -397,7 +397,7 @@
 			<plugin>
 				<groupId>org.pitest</groupId>
 				<artifactId>pitest-maven</artifactId>
-				<version>1.15.3</version>
+				<version>1.22.0</version>
 				<dependencies>
 					<dependency>
 						<groupId>org.pitest</groupId>