chore(main): release 2.27.0

[release-please]

🤖 I have created a release beep boop

2.27.0 (2025-02-17)

Features

• Add methods for unwrapping Spanner client (#1914) (ee6082f)
• Support FOR UPDATE clauses (#1919) (d296aa9)

Dependencies

• Update dependency com.google.api.grpc:proto-google-cloud-trace-v1 to v2.58.0 (#1909) (deefebe)
• Update dependency com.google.cloud:google-cloud-trace to v2.58.0 (#1910) (9b621df)
• Update dependency com.google.cloud:sdk-platform-java-config to v3.43.0 (#1908) (c8a2217)
• Update dependency io.opentelemetry:opentelemetry-bom to v1.47.0 (#1907) (bfc05e5)
• Update dependency org.springframework.data:spring-data-bom to v2024.1.3 (#1913) (4744c11)

Documentation

• Add sample for PROTO columns (#1918) (60ee659), closes #1916
• Regenerate Connection properties documentation (#1915) (dfddf08)

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