chore(main): release 6.87.0

[release-please]

🤖 I have created a release beep boop

6.87.0 (2025-02-20)

Features

• Add AddSplitPoints API (a5ebcd3)
• Add option for multiplexed sessions with partitioned operations (#3635) (dc89b4d)
• Add option to indicate that a statement is the last in a transaction (#3647) (b04ea80)
• Adding gfe_latencies metric to built-in metrics (#3490) (314dadc)
• spanner: Support multiplexed session for read-write transactions (#3608) (bda78ed)

Bug Fixes

• deps: Update the Java code generator (gapic-generator-java) to 2.53.0 (20a3d0d)
• spanner: End spans for read-write methods (#3629) (4a1f99c)
• spanner: Release resources in TransactionManager (#3638) (e0a3e5b)

Dependencies

• Update dependency com.google.cloud:sdk-platform-java-config to v3.43.0 (#3642) (c12968a)

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🤖 Created releases:

• v6.87.0

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Triggered job: cloud-devrel/client-libraries/java/java-spanner/release/stage (2025-02-20T18:43:51.737Z)

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