Bump @aws-appsync/utils from 1.12.0 to 2.0.3

Bumps @aws-appsync/utils from 1.12.0 to 2.0.3.

---
updated-dependencies:
- dependency-name: "@aws-appsync/utils"
  dependency-version: 2.0.3
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -21,7 +21,7 @@
     },
     "homepage": "https://github.com/localstack/localstack-appsync-utils#readme",
     "devDependencies": {
-        "@aws-appsync/utils": "^1.12.0",
+        "@aws-appsync/utils": "^2.0.3",
         "@aws-sdk/client-appsync": "^3.799.0",
         "jest": "^29.7.0"
     },