fix: CI - git fetch --unshallow antes del push de bump

.gitea/workflows/build.yml

@@ -29,10 +29,12 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Bump versión patch + commit
+      - name: Fetch completo + Bump versión patch + commit
         run: |
           git config user.name "ShanaiaBot"
           git config user.email "shanaia@freetimelab.es"
+          # Fetch completo para tener todo el historial y poder push
+          git fetch --unshallow origin main
           CURRENT=$(grep '^version:' pubspec.yaml | awk '{print $2}')
           SEMVER=$(echo $CURRENT | cut -d'+' -f1)
           BUILD=$(echo $CURRENT | cut -d'+' -f2)
@@ -46,7 +48,6 @@ jobs:
           git add pubspec.yaml
           git commit -m "chore: bump version to ${NEW_VERSION} [ci skip]"
           git push origin main
-          echo "NEW_SEMVER=${MAJOR}.${MINOR}.${NEW_PATCH}" >> $GITHUB_ENV
 
       - name: Extraer versión
         id: version