Update @iobroker/adapter-core requirement from ^3.0.3 to ^3.0.6

Updates the requirements on [@iobroker/adapter-core](https://github.com/ioBroker/adapter-core) to permit the latest version.
- [Release notes](https://github.com/ioBroker/adapter-core/releases)
- [Commits](ioBroker/adapter-core@v3.0.3...v3.0.6)

---
updated-dependencies:
- dependency-name: "@iobroker/adapter-core"
  dependency-type: direct:production
...

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

package.json

@@ -28,7 +28,7 @@
   },
   "dependencies": {
     "sql-client": "^3.0.0",
-    "@iobroker/adapter-core": "^3.0.3"
+    "@iobroker/adapter-core": "^3.0.6"
   },
   "devDependencies": {
     "@alcalzone/release-script": "^3.7.0",