Update error-prone monorepo to v2.50.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
com.google.errorprone:error_prone_core (source)	2.49.0 → 2.50.0

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Release Notes

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

v2.50.0: Error Prone 2.50.0

New checks:

• BoxingComparator: Detect implicitly-boxing Comparator.comparing key extractors
• ExposedPrivateType: Discourage references to private member classes from non-private APIs
• JUnitMethodInvoked: Discourage directly invoking JUnit test methods
• ListRemoveAmbiguous: Detect ambiguous calls to List.remove(int|Integer)
• PreferTestParameter: suggests using @TestParameter instead of @TestParameters for exhaustive boolean and enum parameters on single-element parameterized tests
• RecordComponentAccessorAnnotationConflict: Detect conflicts between record components and explicit accessor methods
• RecordComponentOverride: Discourage @​Override on record component declarations that don't override
  anything
• ThrowableEqualsHashCode: Discourage overriding Throwable.equals() and hashCode()

Closed issues: #​5553, #​5649, #​5778

Full changelog: google/error-prone@v2.49.0...v2.50.0

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