Stabilize CI runtime for updated deps and unblock Dependabot auto-format flow (#185)

* chore: apply ci and dependabot remediation changes

* chore: auto-fix linting and formatting issues

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>

.github/dependabot.yml

@@ -1,21 +1,21 @@
 version: 2
 updates:
-  - package-ecosystem: "npm"
-    directory: "/"
-    schedule:
-      interval: "weekly"
-    open-pull-requests-limit: 10
-    groups:
-      npm-dependencies:
-        patterns:
-          - "*"
+    - package-ecosystem: "npm"
+      directory: "/"
+      schedule:
+          interval: "weekly"
+      open-pull-requests-limit: 10
+      groups:
+          npm-dependencies:
+              patterns:
+                  - "*"
 
-  - package-ecosystem: "github-actions"
-    directory: "/"
-    schedule:
-      interval: "weekly"
-    open-pull-requests-limit: 5
-    groups:
-      github-actions:
-        patterns:
-          - "*"
+    - package-ecosystem: "github-actions"
+      directory: "/"
+      schedule:
+          interval: "weekly"
+      open-pull-requests-limit: 5
+      groups:
+          github-actions:
+              patterns:
+                  - "*"

.github/workflows/frontend-ci.yml

@@ -20,7 +20,7 @@ jobs:
             - name: Setup Node
               uses: actions/setup-node@v7
               with:
-                  node-version: 20
+                  node-version: 22.19.0
                   cache: npm
                   cache-dependency-path: package-lock.json