Pin actions and extract expressions to env vars (#7719)

.github/workflows/build.yaml

@@ -34,7 +34,7 @@ jobs:
       - name: Checkout repo
         uses: actions/checkout@v6
       - name: Check changed files
-        uses: dorny/paths-filter@v3
+        uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36 # v3
         id: filter
         with:
           filters: |
@@ -98,7 +98,7 @@ jobs:
     if: needs.changes.outputs.helm == 'true'
     steps:
       - uses: actions/checkout@v6
-      - uses: azure/setup-helm@v4
+      - uses: azure/setup-helm@1a275c3b69536ee54be43f2070a358922e12c8d4 # v4
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
       - run: helm plugin install https://github.com/instrumenta/helm-kubeval
@@ -151,7 +151,7 @@ jobs:
             test/package-lock.json
       - run: SKIP_SUBMODULE_DEPS=1 npm ci
       - run: npm run test:unit
-      - uses: codecov/codecov-action@v5
+      - uses: codecov/codecov-action@1af58845a975a7985b0beb0cbe6fbbb71a41dbad # v5
         if: success()
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
@@ -167,7 +167,7 @@ jobs:
         with:
           submodules: true
       - run: sudo apt update && sudo apt install -y libkrb5-dev
-      - uses: awalsh128/cache-apt-pkgs-action@latest
+      - uses: awalsh128/cache-apt-pkgs-action@2c09a5e66da6c8016428a2172bd76e5e4f14bb17 # latest
         with:
           packages: quilt
           version: 1.0