Bump maven.version from 3.9.14 to 3.9.15 (#343)

Bumps `maven.version` from 3.9.14 to 3.9.15.

Updates `org.apache.maven:maven-plugin-api` from 3.9.14 to 3.9.15
- [Release notes](https://github.com/apache/maven/releases)
- [Commits](apache/maven@maven-3.9.14...maven-3.9.15)

Updates `org.apache.maven:maven-core` from 3.9.14 to 3.9.15

---
updated-dependencies:
- dependency-name: org.apache.maven:maven-plugin-api
  dependency-version: 3.9.15
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.apache.maven:maven-core
  dependency-version: 3.9.15
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]