fix: Update registry secrets in build and deploy workflows for consistency

.gitea/workflows/build-and-push.yml

@@ -14,15 +14,15 @@ jobs:
       - name: Login to Gitea Registry
         uses: docker/login-action@v1
         with:
-          registry: ${{ secrets.GITEA_REGISTRY }}
-          username: ${{ secrets.GITEA_USERNAME }}
-          password: ${{ secrets.GITEA_PASSWORD }}
+          registry: ${{ secrets.REGISTRY_URL }}
+          username: ${{ secrets.REGISTRY_USERNAME }}
+          password: ${{ secrets.REGISTRY_PASSWORD }}
 
       - name: Build and push Docker image
         uses: docker/build-push-action@v2
         with:
           context: .
           push: true
-          tags: ${{ secrets.GITEA_REGISTRY }}/${{ secrets.GITEA_USERNAME }}/calminer:latest
+          tags: ${{ secrets.REGISTRY_REGISTRY }}/${{ secrets.REGISTRY_USERNAME }}/calminer:latest
           cache-from: type=gha
           cache-to: type=gha,mode=max