docs: update cross-repo adev docs

Updated Angular adev cross repo docs files.

Author: angular-robot

adev/src/content/cli/_build-info.json

@@ -1,4 +1,4 @@
 {
   "branchName": "refs/heads/main",
-  "sha": "bd66ac975d7271f75b03814a4091ecd3293b994e"
+  "sha": "0a4fdcc91a10f2f35a6da16cf2dd7c520344e589"
 }

adev/src/content/cli/test.json

@@ -159,6 +159,12 @@
       "type": "array",
       "description": "A list of paths to global setup files that are executed before the test files. The application's polyfills and the Angular TestBed are always initialized before these files."
     },
+    {
+      "name": "splitting",
+      "type": "boolean",
+      "default": true,
+      "description": "Enables code splitting for test execution. When enabled, shared code between test files is split into separate chunks. Issues with live ESM bindings in Node.js environments (such as uninitialized exports or mocking failures) can be resolved by disabling splitting. This option is only available for the Vitest runner."
+    },
     {
       "name": "ts-config",
       "type": "string",