build(deps): bump ajv from 7.0.3 to 8.10.0

Bumps [ajv](https://github.com/ajv-validator/ajv) from 7.0.3 to 8.10.0.
- [Release notes](https://github.com/ajv-validator/ajv/releases)
- [Commits](https://github.com/ajv-validator/ajv/compare/v7.0.3...v8.10.0)

---
updated-dependencies:
- dependency-name: ajv
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

packages/config-loader/package.json

@@ -39,7 +39,7 @@
     "@backstage/errors": "^1.0.0",
     "@backstage/types": "^1.0.0",
     "@types/json-schema": "^7.0.6",
-    "ajv": "^7.0.3",
+    "ajv": "^8.10.0",
     "chokidar": "^3.5.2",
     "fs-extra": "10.0.1",
     "json-schema": "^0.4.0",