docs: update cross-repo adev docs

Updated Angular adev cross repo docs files.

Author: angular-robot

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

@@ -1,4 +1,4 @@
 {
   "branchName": "refs/heads/main",
-  "sha": "a9eb3bd4d6f6349f2c0d8308fe29763cb1cf6f30"
+  "sha": "bc00b95ab3e2db817b1fb7ef0c491c8fc3c17523"
 }

adev/src/content/cli/help/generate.json

@@ -788,6 +788,16 @@
           "type": "boolean",
           "default": true,
           "description": "Create a library that utilizes the standalone API, eliminating the need for NgModules. This can simplify the structure of your library and its usage in applications."
+        },
+        {
+          "name": "test-runner",
+          "type": "string",
+          "default": "vitest",
+          "enum": [
+            "karma",
+            "vitest"
+          ],
+          "description": "The unit testing runner to use."
         }
       ],
       "aliases": [