Require node-18 compatible npm version. Use only one dependabot config

(cherry picked from commit 2e5f4d8afef313c80ef4bfdc735c4689326e00c9)

.github/dependabot.yml

@@ -2,47 +2,11 @@ version: 2
 updates:
   # Enable version updates for root dependencies
   - package-ecosystem: "npm"
-    directory: "/" # Location of package.json file
+    directories: # Location of package.json file
+      - "/"
+      - "/packages/*"
+      - "/packages/vscode-messenger-devtools/webview-ui"
     schedule:
       interval: "weekly"
     ignore:
       - dependency-type: "development"
-    allow:
-      - dependency-type: "all"
-        update-types: ["security"]
-
-  # Enable version updates for devtools extension dependencies
-  - package-ecosystem: "npm"
-    directory: "/packages/vscode-messenger-devtools"
-    schedule:
-      interval: "weekly"
-    ignore:
-      - dependency-type: "development"
-    allow:
-      - dependency-type: "all"
-        update-types: ["security"]
-
-  # Enable version updates for webview-ui dependencies
-  - package-ecosystem: "npm"
-    directory: "/packages/vscode-messenger-devtools/webview-ui"
-    schedule:
-      interval: "weekly"
-    ignore:
-      - dependency-type: "development"
-    allow:
-      - dependency-type: "all"
-        update-types: ["security"]
-
-  # Enable version updates for GitHub Actions
-  - package-ecosystem: "github-actions"
-    directory: "/" # Location of GitHub Actions workflows
-    schedule:
-      interval: "weekly"
-    ignore:
-      - dependency-type: "development"
-    allow:
-      - dependency-type: "all"
-        update-types: ["security"]
-    labels:
-      - "dependencies"
-      - "github-actions"

package.json

@@ -3,7 +3,7 @@
   "private": true,
   "engineStrict": true,
   "engines": {
-    "npm": "^10.9.0"
+    "npm": "^10.8.0"
   },
   "scripts": {
     "prepare": "npm run clean && npm run build",