[evaluation] ci: Re-enable python3.12 in test matrix (Azure#37399)

* ci: Re-enable python 3.12 in matrix

* chore: Bump minimum bound of numpy

         1.26.4 fixes a bug that prevented numpy from installing on
         python3.12

Author: kdestin

sdk/evaluation/azure-ai-evaluation/setup.py

@@ -69,7 +69,8 @@
         "promptflow-core>=1.15.0",
         "websocket-client>=1.2.0",
         "jsonpath_ng>=1.5.0",
-        "numpy>=1.23.2",
+        "numpy>=1.23.2; python_version<'3.12'",
+        "numpy>=1.26.4; python_version>='3.12'",
         "pyjwt>=2.8.0",
         "azure-identity>=1.12.0",
         "azure-core>=1.30.2",

sdk/evaluation/platform-matrix.json

@@ -35,6 +35,17 @@
           "TestSamples": "false"
         }
       }
+    },
+    {
+      "Config": {
+        "Ubuntu2004_312": {
+          "OSVmImage": "env:LINUXVMIMAGE",
+          "Pool": "env:LINUXPOOL",
+          "PythonVersion": "3.12",
+          "CoverageArg": "--disablecov",
+          "TestSamples": "false"
+        }
+      }
     }
   ]
 }