Add CertificateIdentityProvider to imports (#1308) #129

Job	Run time
Test on python 3.7 and ubuntu-latest	3m 23s
Test on python 3.7 and windows-latest	3m 28s
Test on python 3.7 and macos-latest	18s
Test on python 3.8 and ubuntu-latest	2m 11s
Test on python 3.8 and windows-latest	2m 48s
Test on python 3.8 and macos-latest	21s
Test on python 3.9 and ubuntu-latest	2m 38s
Test on python 3.9 and windows-latest	2m 43s
Test on python 3.9 and macos-latest	47s
Test on python 3.10 and ubuntu-latest	3m 1s
Test on python 3.10 and windows-latest	3m 10s
Test on python 3.10 and macos-latest	27s
Test on python 3.11 and ubuntu-latest	2m 18s
Test on python 3.11 and windows-latest	3m 3s
Test on python 3.11 and macos-latest	21s
	30m 57s

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