chore(deps): Update dependency com.google.errorprone:error_prone_core to v2.28.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.google.errorprone:error_prone_core (source)	2.27.1 -> 2.28.0

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Release Notes

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

v2.28.0: Error Prone 2.28.0

Error Prone nows supports the latest JDK 23 EA builds (#​4412, #​4415).

Closed issues:

• Improved errors for invalid check severities (#​4306).
• Fix a crash with nested instanceof patterns (#​4349).
• Fix a crash in JUnitIncompatibleType (#​4377).
• In ObjectEqualsForPrimitives, don't suggest replacing equal with == for floating-point values (#​4392).

New checks:

• DeeplyNested discourages very deeply nested code that can cause StackOverflowErrors during compilation.
• GuiceNestedCombine discourages nesting of Modules.combine(), which is unnecessary.
• PatternMatchingInstanceof migrates code to use pattern matching for instanceof
• SunApi discourages use of internal proprietary JDK APIs which may be removed from future releases.

Full Changelog: google/error-prone@v2.27.1...v2.28.0

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