perf(test): optimize integration tests to use local fixtures #6770

Job	Run time
Cargo Machete	1m 12s
lint	1m 34s
check-cli-docs	1m 32s
Cargo Vendor	1m 17s
determine changes	15s
install.sh \| ${{ matrix.os }}	0s
cargo test \| ubuntu	11s
cargo rustdoc \| ubuntu	1m 12s
install.sh \| linux without tar	0s
build binary \| windows x86_64	1s
install.sh \| alpine linux	0s
build binary \| linux x86_64	1m 12s
build binary \| macos x86_64	0s
cargo test \| windows x64	1m 20s
cargo test \| macos aarch64	1m 9s
install.sh \| msys2	0s
cargo test \| macos x86_64	0s
build binary \| macos aarch64	1m 15s
install.sh \| msys2 without unzip	0s
build binary \| windows aarch64	0s
install.ps1	-1s
Downstream tests \| windows x86_64	1s
Integration tests \| windows x86_64	1s
Test pixi-build Windows x86_64	1s
Wheel Tests \| windows x86_64	0s
Pytest \| windows x86_64	1s
Downstream tests \| linux x86_64	1s
Wheel Tests \| linux x86_64	0s
Pytest \| linux x86_64	1s
Integration tests \| linux x86_64	1s
Test pixi-build Linux x86_64	1s
Integration tests \| macos aarch64	1s
Wheel Tests \| macos aarch64	0s
Pytest \| macos aarch64	1s
Downstream tests \| macos aarch64	1s
Test pixi-build macOS aarch64	1s
	12m 21s

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