chore(ci): test build of manpages

Signed-off-by: Felix Moessbauer <felix.moessbauer@siemens.com>

Author: fmoessbauer

.github/workflows/docs.yml

@@ -33,6 +33,10 @@ jobs:
           cd docs
           make html
 
+      # build-test only to catch doc building issues
+      - name: Build manpages
+        run: make man
+
       - name: Upload HTML docs
         if: github.ref == 'refs/heads/main'
         uses: actions/upload-artifact@v4