Upgrade version.error-prone-orig 2.20.0 -> 2.21.0

[Picnic-Bot]

This PR contains the following updates:

Package	Type	Update	Change
com.google.errorprone:error_prone_annotations (source)	compile	minor	2.20.0 -> 2.21.0
com.google.errorprone:error_prone_core (source)		minor	2.20.0 -> 2.21.0
com.google.errorprone:error_prone_test_helpers (source)	compile	minor	2.20.0 -> 2.21.0
com.google.errorprone:error_prone_core (source)	compile	minor	2.20.0 -> 2.21.0
com.google.errorprone:error_prone_check_api (source)	compile	minor	2.20.0 -> 2.21.0
com.google.errorprone:error_prone_annotation (source)	compile	minor	2.20.0 -> 2.21.0

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Release Notes

google/error-prone (com.google.errorprone:error_prone_annotations)

v2.21.0: Error Prone 2.21.0

Compare Source

New Checkers:

• AttemptedNegativeZero: Prevents accidental use of -0, which is the same as 0. The floating-point negative zero is -0.0.
• ICCProfileGetInstance: Warns on uses of ICC_Profile.getInstance(String), due to JDK-8191622.
• MutableGuiceModule: Fields in Guice modules should be final.
• NullableOptional: Discourages @Nullable-annotated Optionals.
• OverridingMethodInconsistentArgumentNamesChecker: Arguments of overriding method are inconsistent with overridden method.

Fixed issues: #​3976, #​3986, #​4001, #​4002, #​4026, #​4027

Full Changelog: google/error-prone@v2.20.0...v2.21.0

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[Picnic-Bot]

Warning
Renovate's suggested commit message is being replaced with improved initial commits to enable automerging. As a side effect, these suggested commit messages might have changed. Consider comparing the initial commit message and this message to determine the most suitable one. Please leave feedback in #sys-renovate.

Suggested commit message:

Upgrade Error Prone 2.20.0 -> 2.21.0 (#737)

See:
- https://github.com/google/error-prone/releases/tag/v2.21.0
- https://github.com/google/error-prone/compare/v2.20.0...v2.21.0
- https://github.com/PicnicSupermarket/error-prone/compare/v2.20.0-picnic-1...v2.21.0-picnic-1

[github-actions]

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[github-actions]

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[github-actions]

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[Stephan202]

I added a commit to this branch, but it does not yet show up in this PR view. Approving, assuming that later it does, and that the subsequently triggered build passes.

Also updated the suggested commit message.

(The NamedLikeContextualKeyword flag changes should have been part of the previous upgrade. There's overlap with (a.o.) Checkstyle, but enabling these flags can't hurt, I think.)

[github-actions]

Looks good. No mutations were possible for these changes.
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[github-actions]

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[Stephan202]

Closing and re-opening the PR fixed it ✔️

[github-actions]

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[rickie]

Thanks for the changes 😄.

[rickie]

Tweaked suggested commit message.

[Stephan202]

Tnx!

[Picnic-Bot]

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[rickie]

Will merge once 📗.

[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]

Kudos, SonarCloud Quality Gate passed!   

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