ci: removed testing on mongodb versions beyond 6.0

Author: QuadStingray

.github/workflows/other_test.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        mongodb-version: [ '4.4', '5.0', '6.0', '7.0', '8.0' ]
+        mongodb-version: [ '6.0', '7.0', '8.0' ]
         java: [ '21', '25' ]
     steps:
       - uses: actions/checkout@main