feat(debian): publish GPG Public Key

Author: endersonmaia

.github/workflows/debian.yml

@@ -181,6 +181,13 @@ jobs:
           name: signed-artifacts-apt
           path: _site/
 
+      - name: Create GPG Public Key from variable
+        env:
+          DEB_PUB_KEY: ${{ vars.DEB_PUB_KEY }}
+        run: |
+          mkdir -p _site/apt/keys
+          echo "$DEB_PUB_KEY" > _site/apt/keys/cartesi-deb-key.gpg
+
       - name: Setup Pages
         uses: actions/configure-pages@45bfe0192ca1faeb007ade9deae92b16b8254a0d # v5.0.0