chore: don't try to install ppc64le wheel #471

Job	Run time
is-python-release	1s
should-publish-wheels	1s
macos (qcs-sdk-python)	1h 1m 59s
linux (x86_64)	14m 52s
macos (qcs-sdk-python-grpc-web)	53m 50s
linux (aarch64)	16m 18s
sdist (qcs-sdk-python)	39s
linux-grpc-web (x86_64)	14m 58s
sdist (qcs-sdk-python-grpc-web)	4m 42s
linux-grpc-web (ppc64le)	15m 39s
windows (qcs-sdk-python)	29m 40s
windows (qcs-sdk-python-grpc-web)	26m 59s
publish (qcs-sdk-python)	12s
publish (qcs-sdk-python-grpc-web)	24s
	4h 0m 14s

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