Deprecate `httpx` in favor of `httpx2`#2693

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modelcontextprotocol:mainfrom

dsfaccini:httpx2-deprecation

Commits on May 26, 2026

Deprecate `httpx` in favor of `httpx2`

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claude
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Apply ruff-format

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Correct framing: `httpx2` is on PyPI; CI exercises the fallback because the lockfile pins `httpx`

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claude
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Simplify shim per @Kludex: emit warning at module import, drop the lazy helper

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Move MCPDeprecationWarning to mcp.shared.exceptions per @Kludex review

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Mirror Starlette docstring; rewrite shim tests in logfire's reload+patch.dict style

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