chore: update version to 9.9.0 #5583

Job	Run time
manylinux.amd64.py3.6.build	4m 39s
manylinux.amd64.py3.7.build	4m 39s
manylinux.amd64.py3.8.build	4m 38s
manylinux.amd64.py3.9.build	4m 40s
manylinux.amd64.py3.10.build	4m 40s
manylinux.aarch64.py${{ matrix.config.version }}.build	0s
ubuntu-latest.amd64.py3.8.sdist-bundle	59s
macos.amd64.py3.6.build	4m 51s
macos.amd64.py3.7.build	4m 50s
macos.amd64.py3.8.build	4m 50s
macos.amd64.py3.9.build	4m 51s
macos.amd64.py3.10.build	4m 49s
windows-2019.amd64.py3.6.build	4m 40s
windows-2019.amd64.py3.7.build	4m 44s
windows-2019.amd64.py3.8.build	4m 45s
windows-2019.amd64.py3.9.build	4m 44s
windows-2019.amd64.py3.10.build	4m 42s
manylinux.aarch64.py${{ matrix.config.version }}.test	0s
ubuntu-latest.amd64.py3.8.sdist-build-test	3m 43s
manylinux.amd64.py${{ matrix.version }}.test	1s
${{ matrix.os }}.amd64.py${{ matrix.version }}.test	1s
macos.amd64.py${{ matrix.version }}.test	1s
	1h 15m 47s

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