test(deps-dev): Bump @seamapi/types in the seam group

Bumps the seam group with 1 update: [@seamapi/types](https://github.com/seamapi/types).


Updates `@seamapi/types` from 1.503.0 to 1.520.0
- [Release notes](https://github.com/seamapi/types/releases)
- [Changelog](https://github.com/seamapi/types/blob/main/.releaserc.json)
- [Commits](seamapi/types@v1.503.0...v1.520.0)

---
updated-dependencies:
- dependency-name: "@seamapi/types"
  dependency-version: 1.520.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: seam
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -74,7 +74,7 @@
     "zod": "^3.23.8"
   },
   "devDependencies": {
-    "@seamapi/types": "1.503.0",
+    "@seamapi/types": "1.520.0",
     "@swc/core": "^1.11.29",
     "@types/node": "^22.15.21",
     "ava": "^6.0.1",