fix: yarn install

Author: pd93

.github/workflows/publish.yml

@@ -19,7 +19,9 @@ jobs:
             echo "package.json version does not match git tag"
             exit 1
           fi
+      - name: Install dependencies
+        run: yarn install
       - name: Publish
-        run: npm run publish
+        run: yarn run publish
         env:
           VSCE_PAT: ${{ secrets.VSCE_PAT }}