fix: unbreak client closed errors when using vertexai session service

PiperOrigin-RevId: 811911528

Release v1.15.0

chore: Add back the request logging in RemoteA2aAgent given the loggi…

…ng was already fixed

PiperOrigin-RevId: 806551434

chore: Release ADK 1.14.0

PiperOrigin-RevId: 805506354

feat: Add `--agent_engine_config_file` option to `adk deploy agent_en…

…gine`

PiperOrigin-RevId: 800171071

chore: Uses pydantic `Field` for Agent configs, so that the generated…

… AgentConfig.json json schema can carry field description

PiperOrigin-RevId: 797094012

chore: add contributing spanner sample

PiperOrigin-RevId: 795154839

chore: Bump version number to 1.10.0

PiperOrigin-RevId: 792206610

chore: Bump version and update CHANGELOG for v1.9.0

PiperOrigin-RevId: 789494584

chore: Bump version and update CHANGELOG for v1.9.0

PiperOrigin-RevId: 789494584