Update etc modules - Githubissues

This PR contains the following updates:

Package	Type	Update	Change
alpine	final	minor	`3.15.0` -> `3.16.0`
github.com/Azure/azure-storage-blob-go	require	minor	`v0.11.0` -> `v0.15.0`
github.com/spf13/viper	require	minor	`v1.10.1` -> `v1.12.0`
golang.org/x/sync	require	digest	`036812b` -> `0de741c`

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giantswarm / azure-operator