chore(deps): update @iobroker/adapter-core requirement

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@v3.1.6...v3.2.1)

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

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

package.json

@@ -20,7 +20,7 @@
   },
   "dependencies": {
     "@iobroker/webserver": "^1.0.3",
-    "@iobroker/adapter-core": "^3.1.6",
+    "@iobroker/adapter-core": "^3.2.1",
     "body-parser": "^1.20.2",
     "compression": "^1.7.4",
     "connect-flash": "^0.1.1",