Bump @embroider/addon-shim from 1.8.4 to 1.8.6

Bumps [@embroider/addon-shim](https://github.com/embroider-build/embroider/tree/HEAD/packages/addon-shim) from 1.8.4 to 1.8.6.
- [Release notes](https://github.com/embroider-build/embroider/releases)
- [Changelog](https://github.com/embroider-build/embroider/blob/main/CHANGELOG.md)
- [Commits](https://github.com/embroider-build/embroider/commits/HEAD/packages/addon-shim)

---
updated-dependencies:
- dependency-name: "@embroider/addon-shim"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

ember-amount-input/package.json

@@ -30,7 +30,7 @@
     "prepare": "rollup --config"
   },
   "dependencies": {
-    "@embroider/addon-shim": "^1.8.4"
+    "@embroider/addon-shim": "^1.8.6"
   },
   "devDependencies": {
     "@babel/core": "^7.17.0",