fix deploy workflow for main branch

.gitea/workflows/deploy.yml

@@ -12,9 +12,16 @@ jobs:
       - uses: actions/checkout@v4
       - run: mkdir /tmp/deploy
       - run: rsync -ua --exclude=".*" . /tmp/deploy
+      - name: Set deploy branch
+        run: |
+          if [ "${{ github.ref_name }}" = "master" ]; then
+            echo "DEPLOY_BRANCH=main" >> "$GITHUB_ENV"
+          else
+            echo "DEPLOY_BRANCH=${{ github.ref_name }}" >> "$GITHUB_ENV"
+          fi
       - name: Build & Deploy Worker
         uses: cloudflare/wrangler-action@v3
         with:
           apiToken: ${{ secrets.CF_API_TOKEN }}
           accountId: ${{ secrets.CF_ACCOUNT_ID }}
-          command: pages deploy /tmp/deploy --project-name=ctmesh-org --branch=${{ github.ref_name }}
+          command: pages deploy /tmp/deploy --project-name=ctmesh-org --branch=${{ env.DEPLOY_BRANCH }}