CICD: Update NumPy v2 version to test against

Author: RUrlus

.github/workflows/test_numpy.yml

@@ -72,7 +72,7 @@ jobs:
             cxx: "g++-11",
             generators: "Ninja",
             target: "all",
-            numpy: "numpy==2.0.0rc1",
+            numpy: "numpy>=2.1.1",
             python-version: "3.11"
           }