Bump immer from 8.0.1 to 9.0.6

Bumps [immer](https://github.com/immerjs/immer) from 8.0.1 to 9.0.6.
- [Release notes](https://github.com/immerjs/immer/releases)
- [Commits](https://github.com/immerjs/immer/compare/v8.0.1...v9.0.6)

---
updated-dependencies:
- dependency-name: immer
  dependency-type: direct:production
...

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

package.json

@@ -7,7 +7,7 @@
     "@testing-library/react": "^11.2.5",
     "@testing-library/user-event": "^12.0.11",
     "bootstrap": "^4.5.0",
-    "immer": "8.0.1",
+    "immer": "9.0.6",
     "ini": "2.0.0",
     "node-forge": "^0.10.0",
     "node-notifier": "9.0.0",