remove julia 1.11 cicd

Author: nystrom

.github/workflows/ci.yml

@@ -59,7 +59,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        julia-version: ["1.10", "1.11", "1.12"]
+        julia-version: ["1.10", "1.12"]
 
     steps:
     - uses: actions/checkout@v4