Bump ajv from 8.12.0 to 8.18.0

Bumps [ajv](https://github.com/ajv-validator/ajv) from 8.12.0 to 8.18.0.
- [Release notes](https://github.com/ajv-validator/ajv/releases)
- [Commits](ajv-validator/ajv@v8.12.0...v8.18.0)

---
updated-dependencies:
- dependency-name: ajv
  dependency-version: 8.18.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

package-lock.json

@@ -84,7 +84,7 @@
     "@vx/group": "^0.0.199",
     "@vx/responsive": "^0.0.199",
     "@vx/shape": "^0.0.199",
-    "ajv": "^8.12.0",
+    "ajv": "^8.18.0",
     "ajv-formats": "^2.1.1",
     "base64-arraybuffer": "^0.2.0",
     "curl-as-har-request": "^0.1.0",