Fix ubuntu workflow

Author: UnderGreen

.github/workflows/ubuntu.yml

@@ -20,9 +20,9 @@ jobs:
           - '4.2'
           - '4.0'
           - '3.6'
-      include:
-        - molecule_distro: ubuntu2004
-          mongodb_version: '4.4'
+        include:
+          - molecule_distro: ubuntu2004
+            mongodb_version: '4.4'
     env:
       MONGODB_VERSION: ${{ matrix.mongodb_version }}
       MOLECULE_DISTRO: ${{ matrix.molecule_distro }}