dependency: bump org.pitest:pitest-maven from 1.20.2 to 1.20.3

Bumps [org.pitest:pitest-maven](https://github.com/hcoles/pitest) from 1.20.2 to 1.20.3.
- [Release notes](https://github.com/hcoles/pitest/releases)
- [Commits](hcoles/pitest@1.20.2...1.20.3)

---
updated-dependencies:
- dependency-name: org.pitest:pitest-maven
  dependency-version: 1.20.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pom.xml

@@ -224,7 +224,7 @@
     <java.version>17</java.version>
     <next.java.version>21</next.java.version>
     <maven.compiler.release>${java.version}</maven.compiler.release>
-    <pitest.plugin.version>1.20.2</pitest.plugin.version>
+    <pitest.plugin.version>1.20.3</pitest.plugin.version>
     <pitest.plugin.timeout.factor>10</pitest.plugin.timeout.factor>
     <pitest.plugin.output.formats>HTML,XML</pitest.plugin.output.formats>
     <pitest.plugin.timeout.constant>50000</pitest.plugin.timeout.constant>