chore(deps): bump h2 from 4.3.0 to 4.4.0 in /lockfiles/py313-windows

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Bumps h2 from 4.3.0 to 4.4.0.

Changelog

Sourced from h2's changelog.

4.4.0 (2026-07-23)

API Changes (Backward Incompatible)

• Support for Python 3.9 has been removed.
• Support for PyPy 3.9 has been removed.
• Stream.end_stream() now raises NoSuchStreamError or StreamClosedError exceptions, instead of a generic KeyError.
• Duplicate content-length headers with different values now raise ProtocolError. Previously, the first content-length header was accepted and later conflicting values were ignored.
• Parse content-length headers according to RFC9110 grammar for numbers (1*DIGIT)
• backfill from v4.3.0 Convert emitted events into Python dataclass, which introduces new constructors with required arguments. Instantiating these events without arguments, as previously commonly used API pattern, will no longer work.

API Changes (Backward Compatible)

• Support for Python 3.14 has been added.
• H2Connection.receive_data now accepts any byte-like object that implements the buffer protocol, such as bytes, bytearray, and memoryview. Existing bytes callers are unaffected.
• Align CONNECT pseudo-header validation with RFC 9113 s8.3 and RFC 8441 s4. Ordinary CONNECT now requires :method=CONNECT and :authority, and forbids :scheme/:path. Extended CONNECT (e.g., WebSocket) requires :scheme, :path, :authority plus :protocol. (PR #1309)
• Fix incorrect substring matching of secure header in cookie and :method.

Bugfixes

• Fix to allow sending 0 bytes on a stream even if the flow control window is negative.
• Reject non-zero SETTINGS_ENABLE_PUSH values received from servers.

Commits

• 6cce763 v4.4.0
• dfafda3 Bump pytest from 8.4.2 to 9.0.3 (#1320)
• b45207c dependencies and packaging++
• c40145f parse content-length headers according to RFC9110 grammar for numbers (1*DI...
• efc8fea cleanup double-dependency
• aba9ad6 fix: reject conflicting content-length headers (#1317)
• 1cd9ce0 Reject client enable-push settings (#1318)
• dc5da5c add changelog, update tests
• bdf0b95 Broaden receive data buffer types
• b08b9d7 Allow sending 0-byte DATA frames when flow-control window is negative
• Additional commits viewable in compare view

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