chore: group all Renovate dependency updates into a single PR (#30)

Co-authored-by: snyk-auto-pr-bot <snyk-auto-pr-bot@users.noreply.github.com>

Author: gmoyal-r7

.github/renovate.json

@@ -14,14 +14,12 @@
         "*"
       ],
       "matchUpdateTypes": [
+        "major",
         "minor",
         "patch"
       ],
-      "matchCategories": [
-        "python"
-      ],
-      "groupName": "all non-major python dependencies",
-      "groupSlug": "all-minor-patch-python"
+      "groupName": "all dependencies",
+      "groupSlug": "all-dependencies"
     }
   ]
 }