deps: Pin dependencies

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
NuGet/login	action	pinDigest	→ 8d19675
actions/checkout	action	pinDigest	→ 34e1148
actions/setup-dotnet	action	pinDigest	→ 67a3573
codecov/codecov-action	action	pinDigest	→ 0fb7174
docker/build-push-action	action	pinDigest	→ ca052bb
docker/login-action	action	pinDigest	→ c94ce9f
docker/metadata-action	action	pinDigest	→ c299e40
docker/setup-buildx-action	action	pinDigest	→ 8d2750c
mcr.microsoft.com/dotnet/sdk	final	pinDigest	→ 548d93f

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