Upgrade CI, package dependencies (#323)

Author: DennisOSRM

.github/dependabot.yml

@@ -1,6 +1,6 @@
 version: 2
 updates:
-  - package-ecosystem: "" # See documentation for possible values
-    directory: "/" # Location of package manifests
+  - package-ecosystem: "npm"
+    directory: "/"
     schedule:
       interval: "weekly"

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-24.04
     strategy:
       matrix:
-        node-version: ['18', '20', '22']
+        node-version: ['22', '24', '25']
     steps:
       - name: Checkout code
         uses: actions/checkout@v3