fix(workflow): melhorar inicialização do gpg-agent e adicionar debug

- Executa gpg-agent em background com &
- Adiciona GPG_TTY para evitar problemas deTTY
- Adiciona debug (-X) no Maven para identificar onde trava

Author: edsonmartins

.github/workflows/publish-maven-central.yml

@@ -50,7 +50,9 @@ jobs:
 
       - name: Start gpg-agent
         run: |
-          gpg-agent --daemon --batch 2>/dev/null || true
+          gpg-agent --daemon --batch 2>/dev/null &
+          sleep 2
+          echo "GPG_AGENT_INFO=$GPG_AGENT_INFO"
 
       - name: Import GPG key
         run: |
@@ -62,11 +64,14 @@ jobs:
 
       - name: Build and Publish to Maven Central
         run: |
+          export GPG_TTY=$(tty)
+          echo "GPG_TTY=$GPG_TTY"
           mvn clean deploy -Pmaven-central -DskipTests \
             -s .maven-settings.xml.template \
             -Dgpg.passphrase=${{ secrets.GPG_PASSPHRASE }} \
             -Dgpg.pinentry-mode=loopback \
-            -Dgpg.batch=true
+            -Dgpg.batch=true \
+            -X
         env:
           MAVEN_USERNAME: ${{ secrets.MAVEN_CENTRAL_TOKEN }}
           MAVEN_CENTRAL_TOKEN: ${{ secrets.MAVEN_CENTRAL_TOKEN }}