fix(deps): update dependency ajv to ~8.15.0

Author: renovate[bot]

package.json

@@ -57,7 +57,7 @@
   "dependencies": {
     "@smoothjs/event-emitter": "^0.1.0",
     "@smoothjs/smooth": "^0.1.2",
-    "ajv": "~8.5.0",
+    "ajv": "~8.15.0",
     "cli-spinner": "^0.2.10",
     "colors": "^1.4.0",
     "commander": "~7.2.0",