Update deploy.yml config.

Signed-off-by: Manoel Campos <manoelcampos@gmail.com>

.github/workflows/deploy.yml

@@ -19,7 +19,13 @@ jobs:
           cache: 'maven'
       - id: install-secret-key
         name: Install gpg secret key
-        run: cat <(echo -e "${{ secrets.OSSRH_GPG_SECRET_KEY }}") | gpg --batch --import
+        run: |
+          # The key to assing to OSSRH_GPG_SECRET_KEY can be got running on your PC: gpg -a --export-secret-keys KEY_ID
+          # The KEY_ID can be got from the GPG Keyhain.
+          # The OSSRH_GPG_SECRET_KEY_PASSWORD is in macOS keychain (GPG Key password)
+          # OSSRH_USERNAME and OSSRH_TOKEN (password) and is available at ~/.m2/settings.xml 
+          cat <(echo -e "${{ secrets.OSSRH_GPG_SECRET_KEY }}") | gpg --batch --import
+          gpg --list-keys
       - name: Publish package
         run: |
           # Set some environment variables needed by Nexus Staging Maven plugin on JDK 17,