Update github-actions to use nodejs16 (#93)

Signed-off-by: thepetk <[email protected]>

Author: thepetk

.github/workflows/ci.yml

@@ -33,7 +33,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
         with:
           fetch-depth: 0
 

.github/workflows/deploy-landing-page.yml

@@ -33,7 +33,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Repository Dispatch
-        uses: peter-evans/repository-dispatch@v2
+        uses: peter-evans/repository-dispatch@26b39ed245ab8f31526069329e112ab2fb224588 # v2.1.1
         with:
           token: ${{ secrets.BOT_TOKEN }}
           repository: devfile-resources/devfile-resources.github.io

.github/workflows/pushimage-next.yml

@@ -30,9 +30,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out devfile web source code
-        uses: actions/checkout@v3
+        uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
       - name: Login to Quay
-        uses: docker/login-action@v1
+        uses: docker/login-action@465a07811f14bebb1938fbed4728c6a1ff8901fc # v2.2.0
         with:
           registry: quay.io
           username: ${{ secrets.QUAY_USERNAME }}
@@ -72,7 +72,7 @@ jobs:
             echo ::set-output name=sha::$(echo ${{ github.event.client_payload.sha }})
           fi
       - name: Repository dispatch
-        uses: peter-evans/repository-dispatch@v1
+        uses: peter-evans/repository-dispatch@26b39ed245ab8f31526069329e112ab2fb224588 # v2.1.1
         with:
           token: ${{ secrets.REPO_ACCESS_TOKEN }}
           repository: ${{ matrix.repo }}

.github/workflows/test-python-scripts.yml

@@ -33,7 +33,7 @@ jobs:
         python-version: ['3.9']
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v2
         with: