CI: add reusable actions

.github/workflows/man-update.yaml

@@ -15,17 +15,16 @@ jobs:
     steps:
     - name: Install deps
       run: sudo apt install pandoc
+
     - name: Clone repository
       uses: actions/checkout@v3
-      # Not needed
-      # with:
-      #   submodules: recursive
+      with:
+        token: ${{ secrets.PAT }}
+
     - name: Build man pages
       run: make man
+
     - uses: stefanzweifel/git-auto-commit-action@v4
       name: Commit
       with:
         commit_message: "[gha] build man pages"
-        commit_user_name: Mihai Fufezan
-        commit_user_email: fufexan@protonmail.com
-        commit_author: Mihai Fufezan <fufexan@protonmail.com>