switch from MDAnalysis latest to 2.10.0 to avoid potential GitHub issues

Author: harryswift01

.github/workflows/mdanalysis-compatibility.yaml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       matrix:
         python-version: ["3.11", "3.12", "3.13", "3.14"]
-        mdanalysis-version: ["latest"]
+        mdanalysis-version: ["2.10.0"]
 
     steps:
       - name: Checkout repo