Update update_docs.yml

Author: runette

.github/workflows/update_docs.yml

@@ -29,7 +29,7 @@ jobs:
           > Doxyfile
 
       - name: Run Doxygen
-        uses: mattnotmitt/doxygen-action@v1.2.0
+        uses: mattnotmitt/doxygen-action@v1.3.0
         with:
           doxyfile-path: 'docs/Doxyfile'