Working branch changed to master_2.x

Author: etienne-sf

.github/workflows/wiki_TOC.yml

@@ -24,9 +24,10 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
           repository: ${{github.repository}}.wiki
+          ref: master_2.x
       - run: |
           ls
           #curl https://raw.githubusercontent.com/ekalinin/github-markdown-toc/master/gh-md-toc -o gh-md-toc