Automate release procedure as much as possible

[php-coder]

Related to #1049

Consider using Maven plugins for that:

• https://maven.apache.org/maven-release/maven-release-plugin/
• https://stackoverflow.com/questions/37963689/maven-release-plugin-automatically-run-a-script-before-commit
• https://maven.apache.org/guides/mini/guide-releasing.html
• https://maven.apache.org/scm/maven-scm-plugin/
• https://maven.apache.org/scm/git.html
• https://maven.apache.org/plugins/maven-changelog-plugin/
• https://medium.com/javarevisited/how-to-increment-versions-for-the-maven-build-java-project-a7596cc501c2

Other options:

• https://docs.github.com/en/repositories/releasing-projects-on-github/automatically-generated-release-notes
• https://github.com/softprops/action-gh-release
• https://github.com/commitizen-tools/commitizen
• https://github.com/release-it/release-it
• https://github.com/nextreleaseio/next-release
• https://github.com/github-changelog-generator/github-changelog-generator
• https://github.com/adhocore/please
• https://github.com/leviy/release-tool
• https://release-notes.com / https://github.com/github-tools/github-release-notes / https://github.com/release-notes/release-notes-spec / https://github.com/release-notes/release-notes-cli
• https://github.com/llorllale/loggit-maven-plugin
• https://github.com/ponylang/changelog-tool
• https://github.com/paultyng/changelog-gen
• https://github.com/kubernetes/release/tree/master/cmd/release-notes
• https://github.com/apps/release-drafter
• https://github.com/marketplace/actions/automatic-changelog-generator
• https://github.com/CookPete/auto-changelog
• https://jreleaser.org
• https://github.com/orhun/git-cliff
• https://github.com/favware/cliff-jumper
• https://github.com/antham/chyle
• https://github.com/git-chglog/git-chglog
• https://github.com/miniscruff/changie
• https://github.com/conventional-changelog/releaser-tools
• https://github.com/twisted/towncrier
• https://github.com/WeTransfer/GitBuddy
• https://github.com/semantic-release/semantic-release
• https://github.com/absolute-version/commit-and-tag-version (fork of deprecated https://github.com/conventional-changelog/standard-version)
• https://github.com/googleapis/release-please

GitHub Automation:

• https://dev.to/optnc/manage-github-milestones-from-cli-2hkh
• https://github.com/cli/cli/issues/1200