Update ci.yml

Author: jason-fox

.github/workflows/ci.yml

@@ -32,7 +32,7 @@ jobs:
       - name: Run DITA-OT Unit Test
         uses: jason-fox/dita-unit-test-action@master
         with:
-          dita-ot-version: 3.7
+          dita-ot-version: 3.7.2
           plugin: 'fox.jason.passthrough.doxygen'
         env:
-          COVERALLS_TOKEN: ${{ secrets.COVERALLS_TOKEN }}
+          COVERALLS_TOKEN: ${{ secrets.COVERALLS_TOKEN }}