Bump @iobroker/adapter-core from 2.6.9 to 3.0.6

Bumps [@iobroker/adapter-core](https://github.com/ioBroker/adapter-core) from 2.6.9 to 3.0.6.
- [Release notes](https://github.com/ioBroker/adapter-core/releases)
- [Commits](ioBroker/adapter-core@v2.6.9...v3.0.6)

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

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

package.json

@@ -23,7 +23,7 @@
     "SCADA"
   ],
   "dependencies": {
-    "@iobroker/adapter-core": "^2.6.8"
+    "@iobroker/adapter-core": "^3.0.6"
   },
   "devDependencies": {
     "@iobroker/testing": "^4.1.0",