deps: update sdk-platform-java dependencies

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.google.api:gapic-generator-java	2.49.0 -> 2.50.0
com.google.cloud:sdk-platform-java-config	3.39.0 -> 3.40.0

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Release Notes

googleapis/sdk-platform-java (com.google.api:gapic-generator-java)

v2.50.0

Compare Source

Features

• Add experimental S2A integration in client libraries grpc transport (#​3326) (1138ca6)
• enable selective generation based on service config include list (#​3323) (0cddadb)
• introduce java.time to java-core (#​3330) (f202c3b)
• Update Gapic-Generator to generate libraries using java.time methods (#​3321) (b21c9a4)

Bug Fixes

• Fix flaky test ScheduledRetryingExecutorTest.testCancelOuterFutureAfterStart (#​3335) (e73740d)
• httpjson callables to trace attempts (started, failed) (#​3300) (15a64ee)
• instantiate GaxProperties at build time to ensure we get the protobuf version (#​3365) (bb2a3be)
• protobuf version not always getting set in headers (#​3322) (7f6e470)
• use BuildKit instead of legacy builder to build the Hermetic Build images (#​3338) (222fb45)

Dependencies

• update google auth library dependencies to v1.30.0 (#​3367) (a31c682)
• update grpc dependencies to v1.68.1 (#​3240) (c8e3941)

Documentation

• fix list num (#​3356) (b7d6296)
• hermetic-build: indicate usage of Docker Buildkit in development guide (#​3337) (01e742d)
• modify hermetic build docs (#​3331) (25023af)

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[dpebot]

/gcbrun

[dpebot]

/gcbrun