chore(deps): update ghcr.io/dexidp/dex docker tag to v2.42.0 (#201)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

common/argocd/argocd.install.yaml

@@ -24354,7 +24354,7 @@ spec:
       automountServiceAccountToken: true
       containers:
       - name: dex-server
-        image: ghcr.io/dexidp/dex:v2.41.1
+        image: ghcr.io/dexidp/dex:v2.42.0
         imagePullPolicy: IfNotPresent
         command:
         - /shared/argocd-dex