Bump @iobroker/adapter-core from 2.6.8 to 3.0.3

Bumps [@iobroker/adapter-core](https://github.com/ioBroker/adapter-core) from 2.6.8 to 3.0.3.
- [Release notes](https://github.com/ioBroker/adapter-core/releases)
- [Commits](ioBroker/adapter-core@v2.6.8...v3.0.3)

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

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

package.json

@@ -30,7 +30,7 @@
     "RX-V"
   ],
   "dependencies": {
-    "@iobroker/adapter-core": "^2.6.8",
+    "@iobroker/adapter-core": "^3.0.3",
     "array-ext": "^0.1.5",
     "peer-ssdp": "0.0.5",
     "request": "^2.88.2",