project: use only Renovate

.github/renovate.json5

@@ -15,11 +15,6 @@
   commitMessageTopic: "{{depName}}",
   commitMessageExtra: "to {{#if isSingleVersion}}v{{{newVersion}}}{{else}}{{{newValue}}}{{/if}}",
   packageRules: [
-    // Ruby dependencies are managed by depfu
-    {
-      matchManagers: ["bundler"],
-      enabled: false,
-    },
     // Only quarter update since noisy/stable tools
     {
       matchPackageNames: [
@@ -28,6 +23,10 @@
       schedule: ["* 0-8 1 */3 *"],
     },
     // Commit message formats
+    {
+      matchManagers: ["bundler", "gemspec"],
+      commitMessagePrefix: "gems: ",
+    },
     {
       matchDatasources: ["docker"],
       commitMessagePrefix: "docker: ",