chore(main): release 1.2.0

[release-please]

🤖 I have created a release beep boop

1.2.0 (2026-04-25)

Features

• [Dataplex Tool] Search Data Quality Scans (#2444) (1c63551)
• Add support for HTTPS/TLS listener (#3126) (8bc385d)
• bigquery: Add maximumBytesBilled source config (#2724) (42f2d07)
• source/cloud-storage: Add Cloud Storage source with list_objects and read_object tools (#3081) (da27b37)

Bug Fixes

• Allow converting string literal block with list (#3050) (36ab2a9), closes #3023
• Prevent test.db from being created during unit tests (#3042) (d10d2ca)
• Remove hardcoded * allowed origin for sse (#3054) (c4c7bd9)
• sources/postgres: Apply URL encoding to query string params (#3020) (6b860f4)
• tool/looker-conversational-analytics: OAuth token in GDA payload fix (#3058) (6632d96)
• tools/bigquery-execute-sql: Avoid surfacing invalid queries as MCP 500s (#3056) (7ed92c8)
• tools/looker: Fix OAuth for Converational Analytics (#3044) (f9e3e55)

---

This PR was generated with Release Please. See documentation.