Bump @embroider deps

Author: kategengler

package.json

@@ -36,9 +36,9 @@
     "@ember/optional-features": "^2.1.0",
     "@ember/string": "^4.0.0",
     "@ember/test-helpers": "^3.3.1",
-    "@embroider/compat": "^3.4.3",
-    "@embroider/core": "^3.4.3",
-    "@embroider/macros": "^1.18.0",
+    "@embroider/compat": "^3.9.3",
+    "@embroider/core": "^3.5.9",
+    "@embroider/macros": "^1.20.1",
     "@embroider/webpack": "^3.2.1",
     "@glimmer/component": "^1.1.2",
     "@glimmer/tracking": "^1.1.2",
@@ -85,7 +85,7 @@
     "ember-resolver": "^12.0.1",
     "ember-rfc176-data": "^0.3.17",
     "ember-showdown-shiki": "^1.2.1",
-    "ember-source": "~5.12.0",
+    "ember-source": "6.1.0",
     "ember-styleguide": "^11.3.1",
     "ember-svg-jar": "^2.7.1",
     "ember-template-imports": "^4.3.0",