chore(deps)(deps-dev): bump ai from 6.0.208 to 7.0.4

Bumps [ai](https://github.com/vercel/ai/tree/HEAD/packages/ai) from 6.0.208 to 7.0.4.
- [Release notes](https://github.com/vercel/ai/releases)
- [Changelog](https://github.com/vercel/ai/blob/main/packages/ai/CHANGELOG.md)
- [Commits](https://github.com/vercel/ai/commits/ai@7.0.4/packages/ai)

---
updated-dependencies:
- dependency-name: ai
  dependency-version: 7.0.4
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

examples/app-todo/package.json

@@ -40,7 +40,7 @@
   "devDependencies": {
     "@ai-sdk/gateway": "^3.0.133",
     "@objectstack/cli": "workspace:*",
-    "ai": "^6.0.208",
+    "ai": "^7.0.4",
     "tsx": "^4.22.4",
     "typescript": "^6.0.3",
     "vitest": "^4.1.9"

packages/spec/package.json

@@ -208,7 +208,7 @@
   "devDependencies": {
     "@types/node": "^26.0.0",
     "@vitest/coverage-v8": "^4.1.9",
-    "ai": "^6.0.208",
+    "ai": "^7.0.4",
     "tsx": "^4.22.4",
     "typescript": "^6.0.3",
     "vitest": "^4.1.9"