composer(deps): bump justinrainbow/json-schema from 5.2.11 to 5.2.12

Bumps [justinrainbow/json-schema](https://github.com/justinrainbow/json-schema) from 5.2.11 to 5.2.12.
- [Release notes](https://github.com/justinrainbow/json-schema/releases)
- [Commits](jsonrainbow/json-schema@5.2.11...5.2.12)

---
updated-dependencies:
- dependency-name: justinrainbow/json-schema
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

composer.json

@@ -23,7 +23,7 @@
     "php": "^7.4 || ^8.0",
     "ext-json": "*",
     "ergebnis/json-pointer": "^3.0.0",
-    "justinrainbow/json-schema": "^5.2.10"
+    "justinrainbow/json-schema": "^5.2.12"
   },
   "require-dev": {
     "ergebnis/composer-normalize": "^2.21.0",