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Created by pull[bot] (v2.0.0-alpha.4)

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Summary by cubic

Updates docs to align with upstream: Python API reference is now 2.3.0 with a clearer "(Python)" title and added integrations, and Java dependency instructions/examples are bumped to 1.5.0.

• New Features

  • Updated Python API docs to 2.3.0 and set title to "Agent Development Kit (Python) 2.3.0".
  • Expanded module docs and index entries for new integrations (e.g., google.adk.integrations, e2b, gcs, labs.antigravity).

• Dependencies

  • Updated Java setup guides and examples to google-adk 1.5.0 and google-adk-dev 1.5.0.
  • Firestore session service docs now advise matching versions across google-adk and google-adk-firestore-session-service (examples use 1.5.0).

^{Written for commit 72015b2. Summary will update on new commits.}