Update CI to install Universal Ctags

Signed-off-by: Keshav Priyadarshi <[email protected]>

.github/workflows/docs-ci.yml

@@ -19,6 +19,9 @@ jobs:
         uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
+
+      - name: Install universal ctags
+        run: sudo apt-get install -y universal-ctags
 
       - name: Install Dependencies
         run:  pip install -e .[docs]