fix version to Go 1.22, reduce renovate frequency (#966)

renovate.json

@@ -1,8 +1,9 @@
 {
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
-  "extends": [
-    "config:base"
-  ],
+  "extends": ["config:base"],
+  "constraints": {
+    "go": "1.22"
+  },
   "commitBody": "Generated by renovateBot",
   "packageRules": [
     {
@@ -12,9 +13,12 @@
     {
       "matchManagers": ["gomod"],
       "groupName": "go deps"
+    },
+    {
+      "matchManagers": ["npm"],
+      "groupName": "npm deps"
     }
   ],
-  "postUpdateOptions": [
-    "gomodTidy"
-  ]
+  "postUpdateOptions": ["gomodTidy"],
+  "schedule": ["on monday"]
 }