build(deps): Update starlette requirement from >=1.3.0 to >=1.3.1

[dependabot]

Updates the requirements on starlette to permit the latest version.

Release notes

Sourced from starlette's releases.

Version 1.3.1

What's Changed

• Use StarletteDeprecationWarning instead of DeprecationWarning by @​Kludex in Kludex/starlette#3119
• Enforce max_fields and max_part_size in FormParser by @​Kludex in Kludex/starlette#3329
• Enforce FormParser limits in parser callbacks by @​Kludex in Kludex/starlette#3331

Full Changelog: Kludex/starlette@1.3.0...1.3.1

Changelog

Sourced from starlette's changelog.

1.3.1 (June 12, 2026)

Fixed

• Enforce max_fields and max_part_size in FormParser #3329.
• Enforce FormParser limits in parser callbacks #3331.

1.3.0 (June 11, 2026)

Added

• Add httpx2 to the full extra #3323.
• Annotate the URLPath protocol parameter with Literal #3285.

Fixed

• Build request.url from structured components #3326.
• Clamp oversized suffix ranges in FileResponse #3307.
• Catch OSError alongside MultiPartException when closing temp files #3191.
• Avoid collapsing exception groups raised from user code #2830.
• Use removeprefix to strip the weak ETag indicator in is_not_modified #3193.
• Fix IndexError in URL.replace() on a URL with no authority #3317.
• Adjust testclient typing and warnings #3322.

1.2.1 (May 31, 2026)

Fixed

• Use httpx2 for type checking in the testclient module #3304.
• Add assert error for requires() when the request parameter is not a Request type #3298.

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)

... (truncated)

Commits

• 8ebffd0 Version 1.3.1 (#3330)
• 25b8e17 Enforce FormParser limits in parser callbacks (#3331)
• dba1c4b Enforce max_fields and max_part_size in FormParser (#3329)
• 45e51dc Use StarletteDeprecationWarning instead of DeprecationWarning (#3119)
• See full diff in compare view

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