ci(deps): update starlette requirement from >=1.0.0 to >=1.2.0 in /constraints

[dependabot]

Updates the requirements on starlette to permit the latest version.

Release notes

Sourced from starlette's releases.

Version 1.2.0

What's Changed

• Support httpx2 in the test client by @​Kludex in Kludex/starlette#3291

Full Changelog: Kludex/starlette@1.1.0...1.2.0

Changelog

Sourced from starlette's changelog.

1.2.0 (May 28, 2026)

Added

• Support httpx2 in the test client #3291.

1.1.0 (May 23, 2026)

Added

• Use "application/octet-stream" as the FileResponse media type fallback #3283.

Fixed

• Only dispatch standard HTTP verbs in HTTPEndpoint #3286.
• Reject absolute paths in StaticFiles.lookup_path #3287.

1.0.1 (May 21, 2026)

Fixed

• Ignore malformed Host header when constructing request.url #3279.

1.0.0 (March 22, 2026)

Starlette 1.0 is here!

After nearly eight years since its creation, Starlette has reached its first stable release. Thank you to everyone who tested the release candidate and reported issues.

You can read more on the blog post.

Added

• Track session access and modification in SessionMiddleware #3166.

Fixed

• Handle websocket denial responses in StreamingResponse and FileResponse #3189.
• Use bytearray for field accumulation in FormParser #3179.
• Move parser.finalize() inside try/except in MultiPartParser.parse() #3153.

1.0.0rc1 (February 23, 2026)

We're ready! I'm thrilled to announce the first release candidate for Starlette 1.0.

Starlette was created in June 2018 by Tom Christie, and has been on ZeroVer for years. Today, it's downloaded almost 10 million times a day, serves as the foundation for FastAPI, and has inspired many other frameworks. In the age of AI, Starlette continues to play an important role as a dependency of the Python MCP SDK.

... (truncated)

Commits

• 4060987 Version 1.2.0 (#3300)
• 1e289ca Migrate docs deploy from Cloudflare Pages to Workers Static Assets (#3282)
• 100f05a Add httpx2 as a dev dependency (#3295)
• 508023b Support httpx2 in the test client (#3291)
• a4ff83b Version 1.1.0 (#3289)
• fd53168 Reject absolute paths in StaticFiles.lookup_path (#3287)
• e3f9722 Only dispatch standard HTTP verbs in HTTPEndpoint (#3286)
• 348f86d Use "application/octet-stream" as the FileResponse media type fallback (#...
• 48f8e33 Version 1.0.1 (#3281)
• f078832 Remove Hugging Face sponsor block from docs (#3280)
• Additional commits viewable in compare view

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