docs(workflows): Bump hugo

Author: jcs090218

.github/workflows/docs.yml

@@ -35,7 +35,7 @@ jobs:
     - name: Setup Hugo
       uses: peaceiris/actions-hugo@v2
       with:
-        hugo-version: '0.91.2'
+        hugo-version: '0.120.2'
 
     - name: Build theme
       working-directory: ./docs/themes/geekdoc