Upgrade Immutables Annotations 2.12.0 -> 2.12.1

[Picnic-DevPla-Bot]

This PR contains the following updates:

Package	Type	Update	Change
Immutables Annotations (source)	compile	patch	2.12.0 -> 2.12.1

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Release Notes

immutables/immutables (Immutables Annotations)

v2.12.1

Compare Source

Maintenance & bugfix release

• #​1631 new PlainAttribute as a workaround
• #​1632 fixed incompatibility of builders for package-private records and visibility=PUBLIC
• #​1630 fixed Staged builder's new start() incompatible with pojos etc.

What's Changed

• JDK 23+ (Upgraded build and matrix to include Java 25/javac) by @​SimY4 in #​1627

Full Changelog: immutables/immutables@2.12.0...2.12.1

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• If you want to rebase/retry this PR, check this box

[github-actions]

Suggested commit message:

Upgrade Immutables Annotations 2.12.0 -> 2.12.1 (#2055)

See:
- https://github.com/immutables/immutables/releases/tag/2.12.1
- https://github.com/immutables/immutables/compare/2.12.0...2.12.1

[github-actions]

Looks good. No mutations were possible for these changes.
Mutation testing report by Pitest. Review any surviving mutants by inspecting the line comments under Files changed.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud