Use temporary directory for changed README.md in the ci

.github/workflows/docs.yaml

@@ -17,13 +17,17 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
+      # Change /github/home/ to ${RUNNER_TEMP} or ${{ runner.temp }}
+      # As soon as the bug https://github.com/actions/runner/issues/1984
+      # will be fixed
       - name: Prepare README.md
-        run: sed -i -r "s/##(#+)/\1/g" ./README.md
+        run: sed -r "s/##(#+)/\1/g" ./README.md > /github/home/README.md
 
       - name: panvimdoc
         uses: kdheepak/panvimdoc@main
         with:
           vimdoc: improved-search.nvim
+          pandoc: /github/home/README.md
 
       - name: Prepare environment to push changes
         run: |
@@ -33,7 +37,6 @@ jobs:
       - name: Push changes
         uses: stefanzweifel/git-auto-commit-action@v5
         with:
-          file_pattern: doc/*.txt
           commit_message: Auto-generate vimdoc
           commit_user_name: github-actions[bot]
           commit_user_email: github-actions[bot]@users.noreply.github.com