Remove httpx duplicated in dev deps #6101

Job	Run time
build-docs / build-docs	1m 11s
compute-version	4s
build-artifacts / runner-test (ubuntu-latest)	58s
build-artifacts / gateway-build	12s
build-artifacts / code-lint	49s
build-artifacts / frontend-build	10s
build-artifacts / runner-test (macos-latest)	1m 23s
build-artifacts / python-build	23s
build-artifacts / generate-json-schema	18s
build-artifacts / python-test (macos-latest, 3.9)	5m 17s
build-artifacts / python-test (windows-latest, 3.13)	1m 58s
build-artifacts / python-test (macos-latest, 3.12)	3m 45s
build-artifacts / python-test (ubuntu-latest, 3.10)	4m 47s
build-artifacts / python-test (windows-latest, 3.10)	1m 52s
build-artifacts / python-test (windows-latest, 3.12)	1m 55s
build-artifacts / python-test (ubuntu-latest, 3.13)	4m 26s
build-artifacts / python-test (macos-latest, 3.10)	2m 15s
build-artifacts / python-test (ubuntu-latest, 3.11)	4m 35s
build-artifacts / python-test (ubuntu-latest, 3.9)	4m 54s
build-artifacts / python-test (macos-latest, 3.11)	3m 45s
build-artifacts / python-test (ubuntu-latest, 3.12)	4m 44s
build-artifacts / python-test (windows-latest, 3.11)	2m 10s
build-artifacts / python-test (windows-latest, 3.9)	1m 49s
build-artifacts / python-test (macos-latest, 3.13)	2m 39s
build-artifacts / runner-compile (ubuntu-24.04, linux, amd64)	35s
build-artifacts / runner-compile (ubuntu-24.04-arm, linux, arm64)	43s
upload-post-pypi-artifacts / upload-post-pypi-artifacts	19s
upload-pre-pypi-artifacts / upload-pre-pypi-artifacts	22s
	58m 18s

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