chore(deps): update dependency mastra to ^0.18.0

Author: renovate[bot]

templates/ts-mastraai/package.json

@@ -10,7 +10,7 @@
         "@ai-sdk/openai": "^1.2.1",
         "@mastra/core": "^0.4.4",
         "apify": "^3.5.2",
-        "mastra": "^0.2.8",
+        "mastra": "^0.18.0",
         "zod": "^3.25.67"
     },
     "devDependencies": {