chore(deps): update httpx2 requirement from >=0.3 to >=2.7.0

[dependabot]

Updates the requirements on httpx2 to permit the latest version.

Release notes

Sourced from httpx2's releases.

v2.7.0

This release syncs the vendored WebSocket support with the latest httpx-ws, which was previously pinned to an outdated snapshot.

What's Changed

• Update vendored httpx-ws to upstream v0.9.0 by @​Kludex in pydantic/httpx2#1067

Full Changelog: pydantic/httpx2@v2.6.0...v2.7.0

Changelog

Sourced from httpx2's changelog.

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog.

2.5.0 (June 25th, 2026)

Added

• Add native server-sent events support via client.sse(). (#1046)
• Support | and |= operators for Headers. (#1047)

Fixed

• Allow IPv6 CIDR notation in no_proxy. (#967)

2.4.0 (June 11th, 2026)

Added

• Add HTTPXDeprecationWarning, a UserWarning subclass shown by default so deprecations are visible without enabling warnings. (#1029)

Changed

• Limit the number of chained Content-Encoding decoders to 5. (#1027)
• Allow version 15 of rich in the cli extra. (#1015)

Fixed

• Parse an empty Digest auth realm without crashing. (#1023)
• Decode IDNA labels in non-leading host positions. (#1018)

2.3.0 (June 1st, 2026)

Changed

• Use truststore instead of certifi for default SSL verification, loading the operating system's trust store. (#209)

Fixed

• Raise when verify is a string path and a client-side cert is also provided to create_ssl_context. (#990)
• Allow a default_encoding callable to return None. (#951)
• Make the zstd import optional on Python 3.14. (#1000)
• Store elapsed time on the stream wrapper to avoid reference cycles. (#948)

2.2.0 (May 16th, 2026)

Fixed

... (truncated)

Commits

• c4e73cf Update vendored httpx-ws to upstream v0.9.0 (#1067)
• 2cb02fe Bump click lower bound to >=8.4 and drop upper bound (#1040)
• f4aa8ae Add QUERY method support (RFC 10008) (#1055)
• 5c7afb7 Add native WebSocket support by vendoring httpx-ws (#1042)
• 9b7ee8e Version 2.5.0 (#1051)
• 9d5dd67 Inline SSE header defaults using the Headers union operator (#1049)
• a6e4c43 Suppress empty SSE keepalive events and accept case-insensitive content type ...
• f1a6268 Support | and |= operators for Headers (#1047)
• e709094 Add native server-sent events support via client.sse() (#1046)
• 82b9e2d Allow IPv6 CIDR notation in no_proxy (#967)
• Additional commits viewable in compare view

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