Also test with MongoDB 8.0.

Author: rkistner

.github/workflows/test.yml

@@ -217,7 +217,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        mongodb-version: ['6.0', '7.0']
+        mongodb-version: ['6.0', '7.0', '8.0']
 
     steps:
       - uses: actions/checkout@v4