fix(workflows): streamline preparation of wiki submodule branch

Signed-off-by: Felipe Sayão Lobato Abreu <github@mentordosnerds.com>

Author: coisa

.github/workflows/wiki.yml

@@ -44,21 +44,21 @@ jobs:
           command: 'install'
           args: '--prefer-dist --no-progress --no-interaction --no-scripts'
 
+      - name: Prepare wiki submodule branch
+        working-directory: .github/wiki
+        run: |
+          git fetch origin master
+          git switch -C master --track origin/master || git switch master
+          git reset --hard origin/master
+          git clean -fd
+
       - name: Create Docs Markdown
         uses: php-actions/composer@v6
         with:
           php_version: '8.3'
           command: 'dev-tools'
           args: 'wiki -- --target=.github/wiki'
 
-      - name: Prepare wiki submodule branch
-        id: wiki_branch
-        working-directory: .github/wiki
-        run: |
-          git fetch origin
-          git checkout master || git checkout -b master
-          echo "branch=master" >> "$GITHUB_OUTPUT"
-
       - name: Commit & push wiki submodule
         id: wiki_commit
         uses: EndBug/add-and-commit@v10