Bump @embroider/core from 3.0.2 to 3.2.1

Bumps [@embroider/core](https://github.com/embroider-build/embroider/tree/HEAD/packages/core) from 3.0.2 to 3.2.1.
- [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/core)

---
updated-dependencies:
- dependency-name: "@embroider/core"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

package.json

@@ -35,7 +35,7 @@
     "@ember/string": "^3.1.1",
     "@ember/test-helpers": "^2.9.3",
     "@embroider/compat": "~3.0.2",
-    "@embroider/core": "~3.0.0",
+    "@embroider/core": "~3.2.1",
     "@embroider/macros": "^1.13.1",
     "@embroider/router": "^2.1.1",
     "@embroider/webpack": "~3.0.0",