chore: release main

[release-please]

🤖 I have created a release beepboop

gapic-generator: 1.37.1

1.37.1 (2026-07-21)

Bug Fixes

• gapic-generator: remove lagging 3.9 refs (#16924) (a719055)

google-api-core: 2.33.0

2.33.0 (2026-07-21)

Features

• api_core: add request-id auto-population logic to gapic_v1 public helpers (#17738) (68e1313)
• api-core: add get_universe_domain helper to universe.py (#17799) (d461da7)

Bug Fixes

• api-core: prevent overwriting explicit empty strings for optional request_id (#17798) (07f7503)

google-auth: 2.56.2

2.56.2 (2026-07-21)

Bug Fixes

• auth: centralize cert discovery logic and steps (#17696) (edc0423)
• auth: exit early when agent cert config is outside well-known directory (#17762) (61e795a)
• transport: propagate mTLS adapter to auth session and fix connection leaks (#17689) (8289d32)
• update _SERVICE_ACCOUNT_EMAIL_PATTERN to require .gserviceaccount.com suffix (#17748) (b60bb04)

google-maps-isochrones: 0.1.0

0.1.0 (2026-07-21)

Features

• google/maps/isochrones/v1: add google-maps-isochrones (#17785) (47a0db2)

proto-plus: 1.28.2

1.28.2 (2026-07-21)

Bug Fixes

• proto-plus: make Marshal thread-safe and handle race conditions (#17774) (0719f1e), closes#15100

sqlalchemy-bigquery: 1.17.1

1.17.1 (2026-07-21)

Bug Fixes

• sqlalchemy bigquery python 3.15 compat (#17788) (14447fb), closes#17786
• sqlalchemy-bigquery: update literal binds test for SQLAlchemy 2.0 (#17029) (74f7a41)
• sqlalchemy-bigquery: wrap string in WKT in geography system tests (#17780) (26d43c1)

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