Excavator: Upgrades Baseline to the latest version

[svc-excavator-bot]

excavator is a bot for automating changes across repositories.

Changes produced by the roomba/latest-baseline-oss check.

Release Notes

2.38.0

Type	Description	Link
Improvement	We now run error-prone 2.3.4, to benefit from smarter static analysis, and hopefully pick up the claimed performance Improvements: > 40% speedup when run against Google's codebase with errors enabled.	palantir/gradle-baseline#1082

2.39.0

Type	Description	Link
Improvement	Baseline now depends on mockito-errorprone to get Mockito error-prone checks.	palantir/gradle-baseline#1085

2.40.0

Type	Description	Link
Improvement	Error prone CatchSpecificity and ThrowSpecificity to avoid unnecessarily broad throwables. Prefer more specific catch types than Exception and Throwable. When methods are updated to throw new checked exceptions they expect callers to handle failure types explicitly. Catching broad types defeats the type system. By catching the most specific types possible we leverage existing compiler functionality to detect unreachable code.	palantir/gradle-baseline#1074
Improvement	For repos that opted into palantir-java-format, the arguments of SafeArg.of (when it's a last argument) are no longer unexpectedly split onto the next line.	palantir/gradle-baseline#1075

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[schlosna]

superseded by #538