chore(deps): update dependency @rstest/core to v0.5.1

Author: renovate[bot]

package.json

@@ -40,7 +40,7 @@
     "@changesets/cli": "^2.29.7",
     "@rsdoctor/tsconfig": "workspace:*",
     "@rslib/core": "^0.14.0",
-    "@rstest/core": "0.4.1",
+    "@rstest/core": "0.5.1",
     "@scripts/test-helper": "workspace:*",
     "cross-env": "^7.0.3",
     "cspell-ban-words": "^0.0.4",

packages/ai/package.json

@@ -30,7 +30,7 @@
     "@modelcontextprotocol/sdk": "1.18.2",
     "@rsdoctor/types": "workspace:*",
     "@rsdoctor/utils": "workspace:*",
-    "@rstest/core": "0.4.1",
+    "@rstest/core": "0.5.1",
     "@types/node": "^22.8.1",
     "axios": "^1.12.2",
     "typescript": "^5.9.2",