ci: Install Nix in pre-commit workflow (#943) #2410

Job	Run time
Run Cargo Udeps	1m 51s
Decide if Helm charts are pushed to the helm repository based on action trigger	2s
Check if committed Helm charts are up to date	45s
Run Cargo Tests	28s
Check if committed README is the one we would render from the available parts	26s
Run Rustfmt	24s
Run RustDoc	1m 30s
Run Cargo Deny (advisories)	22s
Run Cargo Deny (bans licenses sources)	22s
Run Clippy	29s
All tests passed	4s
Package Charts, Build Docker Image and publish them - ubuntu-latest	11m 18s
Package Charts, Build Docker Image and publish them - ubicloud-standard-8-arm	11m 16s
Build and publish manifest list	41s
Run the OpenShift Preflight check on the published images	20s
	30m 18s

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