[tool] chore(renovate): update config to match our commit convention (#4380)

Author: guillaumejparis

renovate.json

@@ -15,9 +15,10 @@
     "* 0-4,22-23 * * 1-5",
     "* * * * 0,6"
   ],
-  "semanticCommits": "enabled",
   "updateNotScheduled": false,
   "rebaseWhen": "conflicted",
+  "commitMessageAction": "update",
+  "commitMessagePrefix": "[tool] chore(deps):",
   "packageRules": [
     {
       "description": "Disable updates of images intentionally pinned to older versions for compatibility testing",
@@ -46,13 +47,6 @@
       ],
       "commitMessagePrefix": "[backend] chore(deps):"
     },
-    {
-      "matchDatasources": [
-        "docker",
-        "orb"
-      ],
-      "commitMessagePrefix": "[tool] chore(deps):"
-    },
     {
       "matchPackageNames": [
         "react-apexcharts"
@@ -92,3 +86,4 @@
     "enabled": true
   }
 }
+