chore(deps): update module golang.org/x/sync to v0.22.0

[Thomas6013]

This PR contains the following updates:

Package	Type	Update	Change
golang.org/x/sync	require	minor	v0.20.0 → v0.22.0

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Docker preview images (amd64)

Image	Tag
backend	ghcr.io/thomas6013/kubeadjust/kubeadjust-backend:pr-85
frontend	ghcr.io/thomas6013/kubeadjust/kubeadjust-frontend:pr-85

Pinned to commit 8e9c9da:

# values.yaml
backend:
  image:
    repository: ghcr.io/thomas6013/kubeadjust/kubeadjust-backend
    tag: "pr-85-8e9c9daa2707c876942b74bba663853ec0b17849"
frontend:
  image:
    repository: ghcr.io/thomas6013/kubeadjust/kubeadjust-frontend
    tag: "pr-85-8e9c9daa2707c876942b74bba663853ec0b17849"