try to fix ldms workflow

Author: Shane Snyder

.github/workflows/darshan_ldms_test_ci.yml

@@ -30,6 +30,7 @@ jobs:
         sudo apt-get update -y
         sudo apt-get install openmpi-bin libopenmpi-dev
         sudo apt-get install libjansson-dev
+        sudo apt-get install python3-docutils
     - name: Clone LDMS
       uses: actions/checkout@v3
       with: