fix: standardize token/URL env vars to MOKOGITEA naming [skip ci]

.mokogitea/workflows/composer-publish.yml

@@ -13,7 +13,7 @@ on:
   workflow_dispatch:
 
 env:
-  GITEA_URL: ${{ vars.GITEA_URL || 'https://git.mokoconsulting.tech' }}
+  MOKOGITEA_URL: ${{ vars.GITEA_URL || 'https://git.mokoconsulting.tech' }}
 
 jobs:
   publish:
@@ -49,7 +49,7 @@ jobs:
       - name: Verify Gitea registry
         run: |
           echo "Gitea Composer registry auto-publishes from tags."
-          echo "Package available at: ${GITEA_URL}/api/packages/MokoConsulting/composer"
+          echo "Package available at: ${MOKOGITEA_URL}/api/packages/MokoConsulting/composer"
           echo "Install: composer require mokoconsulting/mokocli"
 
       # Packagist — notify of new version (points to GitHub mirror which Packagist can access)