Upgrade sortpom-maven-plugin 3.2.0 -> 3.2.1

[Picnic-Bot]

This PR contains the following updates:

Package	Type	Update	Change
com.github.ekryd.sortpom:sortpom-maven-plugin	build	patch	3.2.0 -> 3.2.1

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

[Picnic-Bot]

Suggested commit message:

Upgrade sortpom-maven-plugin 3.2.0 -> 3.2.1 (#481)

See:
- https://github.com/Ekryd/sortpom/wiki/Versions
- https://github.com/Ekryd/sortpom/releases/tag/sortpom-parent-3.2.1
- https://github.com/Ekryd/sortpom/compare/sortpom-parent-3.2.0...sortpom-parent-3.2.1

[rickie]

There is no entry here: https://github.com/Ekryd/sortpom/wiki/Versions.
Should I open an issue and ask if he can do so? (Even though it's only a dependency upgrade release)

[rickie]

Opened Ekryd/sortpom#291, we can probably leave the suggested commit message as is. Shall I merge after the rebase?

[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.