spanner: v1.93.0

1.93.0 (2026-07-15)

Features

• o11y: Regenerate clients for LRO tracing (#20107) (779074e)
• spanner: Abstract Spanner Omni gRPC connection logic for TLS/mTLS/plaintext as foundation of auth login functionality (#14694) (07d1ba5)
• Update API sources and regenerate (#20109) (4314d30)

Bug Fixes

• spanner: Roll back read-write transaction before retrying caller-returned Aborted errors (#20131) (83772f5)
• spanner: Update dynamic channel pool default configuration (#20080) (308659c)