Bump @embroider/compat from 3.5.5 to 3.5.6 in the embroider group

Bumps the embroider group with 1 update: [@embroider/compat](https://github.com/embroider-build/embroider/tree/HEAD/packages/compat).


Updates `@embroider/compat` from 3.5.5 to 3.5.6
- [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/compat)

---
updated-dependencies:
- dependency-name: "@embroider/compat"
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: embroider
...

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

packages/frontend/package.json

@@ -40,7 +40,7 @@
     "@ember/optional-features": "^2.1.0",
     "@ember/string": "^3.1.1",
     "@ember/test-helpers": "^3.3.0",
-    "@embroider/compat": "~3.5.3",
+    "@embroider/compat": "~3.5.6",
     "@embroider/core": "~3.4.12",
     "@embroider/macros": "^1.16.3",
     "@embroider/router": "^2.1.8",

packages/lti-course-manager/package.json

@@ -38,7 +38,7 @@
     "@ember/optional-features": "^2.1.0",
     "@ember/string": "^3.1.1",
     "@ember/test-helpers": "^3.3.0",
-    "@embroider/compat": "~3.5.3",
+    "@embroider/compat": "~3.5.6",
     "@embroider/core": "~3.4.12",
     "@embroider/macros": "^1.16.3",
     "@embroider/router": "^2.1.8",

packages/lti-dashboard/package.json

@@ -39,7 +39,7 @@
     "@ember/optional-features": "^2.1.0",
     "@ember/string": "^3.1.1",
     "@ember/test-helpers": "^3.3.0",
-    "@embroider/compat": "~3.5.3",
+    "@embroider/compat": "~3.5.6",
     "@embroider/macros": "^1.16.3",
     "@embroider/webpack": "~4.0.3",
     "@glimmer/component": "^1.1.2",

packages/test-app/package.json

@@ -35,7 +35,7 @@
     "@ember/optional-features": "^2.1.0",
     "@ember/string": "^3.1.1",
     "@ember/test-helpers": "^3.3.0",
-    "@embroider/compat": "^3.5.3",
+    "@embroider/compat": "^3.5.6",
     "@embroider/macros": "^1.16.3",
     "@embroider/test-setup": "^4.0.0",
     "@embroider/webpack": "~4.0.3",