Update action.yml

Author: JarvanMo

.github/action/publish_dart_package/action.yml

@@ -37,5 +37,5 @@ runs:
 
     - name: 📢 Publish
       shell: ${{ inputs.shell }}
-      run: flutter pub publish -f
+      run: dart pub publish -f
       working-directory: ${{ inputs.working-directory }}