Upgrade tested Julia version to 1.10

Author: ErikSchierboom

.github/workflows/exercise-tests.yml

@@ -22,7 +22,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        julia-version: ["1.6", "1", nightly]
+        julia-version: ["1.10", "1", nightly]
         os: [ubuntu-22.04, windows-2022, macos-14]
 
     steps: