Fix workflow

Author: highbyte

.github/workflows/docs-publish-to-gh-pages.yml

@@ -38,7 +38,7 @@ jobs:
           cache-dependency-path: requirements-docs.txt
 
       - name: Install MkDocs and dependencies
-        run: pip install --only-binary :all: -r requirements-docs.txt
+        run: "pip install --only-binary :all: -r requirements-docs.txt"
 
       - name: Build static site with MkDocs
         run: mkdocs build --strict --site-dir ${{ env.BUILD_OUTPUT_WORKING_DIR }}