Pin GitHub Actions to commit SHAs

Author: github-security-bot

.github/dependabot.yml

@@ -1,5 +1,11 @@
 version: 2
 updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    cooldown:
+      default-days: 7
   - package-ecosystem: "npm"
     directory: "/"
     schedule:

.github/workflows/build.yml

@@ -13,9 +13,9 @@ jobs:
       run:
         working-directory: app
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
 
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
           node-version: 22
           cache: npm