fix(deps): update dependency com.uber.nullaway:nullaway to v0.12.7

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.uber.nullaway:nullaway	0.12.6 -> 0.12.7

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Release Notes

uber/NullAway (com.uber.nullaway:nullaway)

v0.12.7

• Update to Checker Framework 3.49.2 (#​1183)
• Don't check synchronized blocks within unannotated code (#​1185)
• Test on JDK 24 (#​1187)
• Fix multiple issues with NewClassTrees that have enclosing expressions (#​1191)
• Ensure classes null-marked by library model detected in all places (#​1197)
• JSpecify: handle varargs whose element type is a type variable (#​1200)
• Update to Error Prone 2.38.0 (#​1203)
• Optimization to annotation stripping in library model matching (#​1204)
• Make arg position nullness array contents nullable (#​1207)
• Properly handle method references to null-unmarked methods (#​1205)

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