Update .github/workflows/CI.yml

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: rsenne

.github/workflows/CI.yml

@@ -17,7 +17,7 @@ jobs:
         version:
           - '1.11' # Replace this with the minimum Julia version that your package supports. E.g. if your package requires Julia 1.5 or higher, change this to '1.5'.
           - '1'
-        os: 
+        os:
           - ubuntu-latest
         arch:
           - x64