Corrected requirements filename

.github/workflows/gh-pages.yml

@@ -37,7 +37,7 @@ jobs:
         run: python3 -m pip install -r ./requirements.txt
 
       - name: Install dev dependencies
-        run: python3 -m pip install -r ./dev-requirements.txt
+        run: python3 -m pip install -r ./dev_requirements.txt
 
       - name: Build docs
         run: (cd docssrc && make html)
@@ -47,4 +47,4 @@ jobs:
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_branch: master
-          publish_dir: ./docs
+          publish_dir: ./docs