Publish a release

Publication procedure

• Update merge request template to point to a new changelog wiki page
• Update CHANGELOG.md to point to new GitLab release
• Create new web release page with generated artifact names and changelog (convert MR ids to urls: replace !([0-9][0-9][0-9][0-9]) with [!$1](https://gitlab.opengeosys.org/ogs/ogs/-/merge_requests/$1) and #([0-9][0-9][0-9][0-9]) with [#$1](https://gitlab.opengeosys.org/ogs/ogs/-/issues/$1))
• Add a link to the (upcoming) Doxygen documentation for this tag in Documentation/mainpage.dox.in (with v-prefix)
• Update [docs-release]-link in README.md to the new tag (with v-prefix)
• Add a redirect in scripts/doc/_redirects
• Create a tag and push
• A new release is automatically created on GitLab
  • Fill in the release notes from the Wiki
• Copy release binaries and container images from CI job to Azure OGS storage to a subdirectory containing the tag name at https://ogsstorage.blob.core.windows.net/binaries/ogs6
• Create a release on GitHub mirror (ufz/ogs)
• Check if a Zenodo release is automatically issued
• Issue a scan on Software Heritage Archive
• Create bugfix branch
  • Create new netlify site (in an empty directory)
    • netlify init
    • # [ENTER]
    • # ogs-doxygen-v6-3-3
  • Create branch from master with name v[TAG] and push
• Create a discourse announcement post