Try this

Author: jrfnl

.github/workflows/publish-wiki.yml

@@ -37,17 +37,17 @@ jobs:
 
       - name: Copy wiki files to temporary location
         shell: bash
-        run: cp -v -a wiki build/_wiki
+        run: cp -v -a wiki _wiki
 
       - name: Verify files were correctly copied
         shell: bash
-        run: ls -aRlh build/_wiki
+        run: ls -aRlh _wiki
 
       - name: Deploy to wiki
         uses: Andrew-Chen-Wang/github-wiki-action@v4
         with:
           strategy: 'clone'
-          path: 'build/_wiki/'
+          path: '_wiki/'
           # commit-message: ...
           # repository: PHPCSStandards/PHP_CodeSniffer
           # token: ${{ secrets.PHPCS_GITHUB_TOKEN }}

.gitignore

@@ -1,2 +1,2 @@
-build/_wiki/
+_wiki/
 node_modules/