fix(github-actions): build on multiple node versions

.github/workflows/nodejs-master.yml

@@ -44,14 +44,18 @@ jobs:
     needs: [lint]
     runs-on: ubuntu-latest
 
+    strategy:
+      matrix:
+        node-version: [12.x, 13.x, 14.x]
+
     steps:
     - name: Checkout Repository
       uses: actions/checkout@v2
 
-    - name: Setup Node.js
+    - name: Setup Node.js with ${{ matrix.node-version }}
       uses: actions/setup-node@v1
       with:
-        node-version: 14
+        node-version: ${{ matrix.node-version }}
 
     - name: Install dependencies
       run: |
@@ -133,27 +137,6 @@ jobs:
       - name: Install dependencies
         run: npm ci
 
-      # - name: Set Git Signing Key
-      #   run: |
-      #     # Ensure git uses gpg2
-      #     git config --global gpg.program gpg2
-      #     # Decrypt the git_gpg_keys.asc.enc key into git_gpg_keys.asc
-      #     gpg --output /tmp/git_gpg_keys.asc --decrypt --batch --passphrase ${{ secrets.GPG_DECRYPT_PASSPHRASE }} git_gpg_keys.asc.enc
-      #     # Make sure only the current user can read the keys
-      #     chmod 600 /tmp/git_gpg_keys.asc
-      #     # Import the gpg key
-      #     gpg --batch --yes --import /tmp/git_gpg_keys.asc
-      #     # Create a script that will pass the passphrase to the gpg CLI called by git
-      #     echo '/usr/bin/gpg2 --passphrase ${{ secrets.GPG_PASSPHRASE }} --batch --no-tty "$@"' > /tmp/gpg-with-passphrase
-      #     # Make the script executable
-      #     chmod +x /tmp/gpg-with-passphrase
-      #     # Configure git to use the script that passes the passphrase
-      #     git config gpg.program "/tmp/gpg-with-passphrase"
-      #     # Configure git to sign the commits and tags
-      #     git config commit.gpgsign true
-      #     # Configure git to use your GPG key
-      #     git config --global user.signingkey ${{ secrets.GPG_KEY_ID }}
-
       - name: Run Build
         run: npm run distribute