chore(action): pin dependencies

Author: renovate[bot]

.github/workflows/node-ci.yml

@@ -16,9 +16,9 @@ jobs:
   verify:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # v2
       - name: Setup node
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@1f8c6b94b26d0feae1e387ca63ccbdc44d27b561 # v2
         with:
           node-version-file: .nvmrc
           cache: npm
@@ -38,9 +38,9 @@ jobs:
     needs: verify
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # v2
       - name: Setup node
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@1f8c6b94b26d0feae1e387ca63ccbdc44d27b561 # v2
         with:
           node-version-file: .nvmrc
           cache: npm