chore(docker-image): pin dependencies - autoclosed

[repo-duster[bot]]

This PR contains the following updates:

Package	Update	Change
docker.io/qmcgaw/gluetun	pinDigest	-> 3b4d498
ghcr.io/coder/code-server	pinDigest	-> 1aa7c65
ghcr.io/nicolaka/netshoot	pinDigest	-> a7c92e1

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