chore(deps): pin dependencies

[repo-jeeves]

This PR contains the following updates:

Package	Update	Change
docker.io/library/alpine	pinDigest	-> b89d9c9
docker.io/restic/restic	pinDigest	-> 97da927

[repo-jeeves]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ COPYPASTE	jscpd	yes		no	1.05s
✅ REPOSITORY	git_diff	yes		no	0.02s
✅ REPOSITORY	secretlint	yes		no	2.5s
✅ YAML	prettier	5		0	0.48s
✅ YAML	yamllint	5		0	0.3s

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