ci: group npm updates

Author: xenoterracide

.github/renovate.json5

@@ -22,10 +22,18 @@
     },
     {
       matchManagers: ["asdf", "github-actions"],
+      schedule: ["* 0-3 * * 1"],
       automerge: true,
     },
     {
-      matchManagers: ["npm", "gradle-wrapper"],
+      matchManagers: ["npm"],
+      groupName: "npm",
+      schedule: ["* 0-3 * * 1"],
+      matchUpdateTypes: ["minor", "patch", "pin"],
+      automerge: true,
+    },
+    {
+      matchManagers: ["gradle-wrapper"],
       matchUpdateTypes: ["minor", "patch", "pin"],
       automerge: true,
     },