chore(deps): pin dependencies

.github/workflows/test-and-release.yaml

@@ -15,9 +15,9 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
 
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6
         with:
           node-version: "24.x"
           cache: "npm"
@@ -44,7 +44,7 @@ jobs:
         run: npm test
 
       - name: Configure AWS credentials
-        uses: aws-actions/configure-aws-credentials@v5
+        uses: aws-actions/configure-aws-credentials@61815dcd50bd041e203e49132bacad1fd04d2708 # v5
         with:
           # The role is set up via https://github.com/bifravst/ci
           # secrets.AWS_ACCOUNT_ID_CI is an organization secret
@@ -61,7 +61,7 @@ jobs:
       - run: npx cdk deploy --require-approval never
 
       - name: Upload dist folder as artifact
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6
         with:
           name: dist
           path: dist/

.github/workflows/update-repo-info.yaml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
 
       - name: Sync repository description
         run: