CI: add debug step to diagnose directory not found

.gitea/workflows/release.yml

@@ -27,6 +27,14 @@ jobs:
           go install github.com/goreleaser/nfpm/v2/cmd/nfpm@v2.41.1
           echo "$GOPATH/bin" >> $GITHUB_PATH
 
+      - name: Debug workspace
+        run: |
+          echo "pwd: $(pwd)"
+          echo "go version: $(go version)"
+          ls -la
+          ls -la cmd/
+          cat go.mod
+
       - name: Build Linux binaries
         run: |
           CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -trimpath -ldflags="-s -w" -o syncwarden ./cmd/syncwarden