feat: Automated regeneration of managedidentities v1 client (#26523) #46400

Job	Run time
CI (windows-latest, 3.4, --include-spec)	2m 1s
CI (macos-latest, 3.4, --include-spec)	42s
CI (ubuntu-latest, 3.3, --include-spec)	46s
CI (ubuntu-latest, 3.4, --include-spec --include-yardoc --include-build, --enable-frozen-string-l...	49s
CI (ubuntu-latest, 3.1, --include-spec)	34s
CI (ubuntu-latest, 3.2, --include-spec)	39s
	5m 31s

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