chore(workflows/dependencies): pin dependencies

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
EndBug/add-and-commit	action	pinDigest	-> a94899b
actions/checkout	action	pinDigest	-> 692973e
actions/setup-python	action	pinDigest	-> 82c7e63
cocogitto/cocogitto-action	action	pinDigest	-> 5ae1660
googleapis/release-please-action	action	pinDigest	-> 7987652
helm/chart-testing-action	action	pinDigest	-> e6669bc
jnorwood/helm-docs	docker	pinDigest	-> 717bd8f
juliangruber/approve-pull-request-action	action	pinDigest	-> b71c44f
kentaro-m/auto-assign-action	action	pinDigest	-> f4648c0
oknozor/cocogitto-action	action	pinDigest	-> 5ae1660
peter-evans/create-pull-request	action	pinDigest	-> c5a7806

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Warning

Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

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