composer(deps-dev): update tomasvotruba/unused-public requirement

Updates the requirements on [tomasvotruba/unused-public](https://github.com/TomasVotruba/unused-public) to permit the latest version.
- [Commits](TomasVotruba/unused-public@1.0.0...1.1.0)

---
updated-dependencies:
- dependency-name: tomasvotruba/unused-public
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

composer.json

@@ -45,7 +45,7 @@
     "symplify/phpstan-rules": "^13.0.1",
     "tomasvotruba/cognitive-complexity": "^0.2.3",
     "tomasvotruba/type-coverage": "^1.0.0",
-    "tomasvotruba/unused-public": "^1.0.0"
+    "tomasvotruba/unused-public": "^1.1.0"
   },
   "autoload": {
     "psr-4": {