Release Metafacture core 6.1.1

[dr0i]

This release fixes bugs introduced in 6.1.0 (https://github.com/metafacture/metafacture-core/issues/527#issuecomment-2188447331).

All new features since 6.0.0 will be documented in 6.1.1.

• [x] update dependencies if these are promising to not break much (#541)
• [x] test release candidates
• [x] release on maven central
• [x] release on github
• [x] release metafacture-fix 1.1.1
• [ ] release metafacture-playground 1.1.1
• [ ] update flux-commands
• [ ] copy metafacture-fix' functions-and-cookbook to metafacture-documentation/Fix-function-and-Cookbook.md
• [ ] write blog post, see PR
• [ ] toot
• [ ] write to email list
• [ ] announce at [metadaten.community](https://metadaten.community/t/neue-metafacture-releases-core-6-1-1-fix-1-1-1-playground-1-1-1/...

[dr0i]

Based on the master and #541 the sonatype SNAPSHOT release 6.1.1-rc1-SNAPSHOT and github packages 6.1.1-rc1-SNAPSHOT are ready . See wiki/Maintainer-Guideline how to use it. Please test it and check mark:

• [x] lobid-resources (@dr0i)
• [x] playground (@dr0i, @TobiasNx )
• [x] limetrans (@blackwinter)
• [x] fix (@fsteeg)

[dr0i]

@TobiasNx I ve deployed test.metafacture.org/playground which shows the fixes bug you reported are fixed, please check.