Update publish.yml (#228)

.github/workflows/publish.yml

@@ -71,7 +71,7 @@ jobs:
     - uses: actions/checkout@v4
     - name: Compute the release tag
       run: |
-        echo "release_tag=v`cat packages/cli/pubspec.yaml | sed -nre 's/^version: [^0-9]*(([0-9]+\.)*[0-9]+).*/\1/p'`" >> $GITHUB_ENV
+        echo "release_tag=v`cat pubspec.yaml | sed -nre 's/^version: [^0-9]*(([0-9]+\.)*[0-9]+).*/\1/p'`" >> $GITHUB_ENV
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v2
       with: