ci(renovate): exclude quay from dependency pinning

renovate.json

@@ -121,6 +121,15 @@
       ],
       "allowedVersions": "<40"
     },
+    {
+      "matchDatasources": [
+        "docker"
+      ],
+      "matchPackageNames": [
+        "quay.io/**"
+      ],
+      "pinDigests": false
+    },
     {
       "matchDatasources": [
         "helm"