Update apigen.yml

update version, remove cache switch

Author: fiammybe

.github/workflows/apigen.yml

@@ -13,9 +13,8 @@ jobs:
       uses: actions/checkout@v2
 
     - name: 📝 ApiGen PHP Document Generator
-      uses: varunsridharan/action-apigen@2.0
+      uses: varunsridharan/action-apigen@2.1
       with:
-        cached_apigen: 'yes'
         source_folder: 'htdocs/libraries/icms/'
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}