Update @iobroker/legacy-testing requirement from ^1.0.3 to ^1.0.12

Updates the requirements on [@iobroker/legacy-testing](https://github.com/ioBroker/legacy-testing) to permit the latest version.
- [Release notes](https://github.com/ioBroker/legacy-testing/releases)
- [Commits](ioBroker/legacy-testing@v1.0.3...v1.0.12)

---
updated-dependencies:
- dependency-name: "@iobroker/legacy-testing"
  dependency-type: direct:development
...

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

package.json

@@ -50,7 +50,7 @@
     "@alcalzone/release-script": "^3.6.0",
     "@alcalzone/release-script-plugin-iobroker": "^3.6.0",
     "@alcalzone/release-script-plugin-license": "^3.5.9",
-    "@iobroker/legacy-testing": "^1.0.3",
+    "@iobroker/legacy-testing": "^1.0.12",
     "mocha": "^10.3.0",
     "chai": "^4.3.10"
   },