chore(deps): upgrade all the things

package.json

@@ -21,43 +21,43 @@
   "dependencies": {
     "postcss-advanced-variables": "^3.0.1",
     "postcss-color-function": "^4.1.0",
-    "postcss-custom-selectors": "^5.1.2",
+    "postcss-custom-selectors": "^6.0.0",
     "postcss-easing-gradients": "^3.0.1",
-    "postcss-hexrgba": "^2.0.0",
-    "postcss-mixins": "^6.2.3",
-    "postcss-nested": "^4.2.1",
+    "postcss-hexrgba": "^2.0.1",
+    "postcss-mixins": "^7.0.2",
+    "postcss-nested": "^5.0.3",
     "postcss-nested-ancestors": "^2.0.0",
     "postcss-nested-props": "^2.0.0",
     "postcss-preset-env": "^6.7.0",
     "postcss-property-lookup": "^2.0.0",
     "postcss-pseudo-class-enter": "^5.0.0",
-    "postcss-scss": "^2.1.1",
+    "postcss-scss": "^3.0.4",
     "postcss-short": "^5.0.0"
   },
   "devDependencies": {
-    "@clark/eslint-config-node": "^1.16.0",
-    "@ember/optional-features": "^1.2.0",
+    "@clark/eslint-config-node": "^2.0.0",
+    "@ember/optional-features": "^2.0.0",
     "broccoli-asset-rev": "^3.0.0",
-    "ember-cli": "~3.14.0",
-    "ember-cli-babel": "^7.13.2",
+    "ember-cli": "~3.24.0",
+    "ember-cli-babel": "^7.23.1",
     "ember-cli-dependency-checker": "^3.0.0",
-    "ember-cli-htmlbars": "^4.2.0",
+    "ember-cli-htmlbars": "^5.3.1",
     "ember-cli-inject-live-reload": "^2.0.2",
     "ember-cli-sri": "^2.1.0",
     "ember-cli-uglify": "^3.0.0",
-    "ember-css-modules": "^1.3.1",
+    "ember-css-modules": "^1.3.4",
     "ember-disable-prototype-extensions": "^1.1.2",
     "ember-export-application-global": "^2.0.1",
-    "ember-load-initializers": "^2.1.1",
+    "ember-load-initializers": "^2.1.2",
     "ember-maybe-import-regenerator": "^0.1.6",
-    "ember-qunit": "^4.6.0",
-    "ember-resolver": "^7.0.0",
-    "ember-source": "^3.15.0",
-    "ember-source-channel-url": "^2.0.1",
+    "ember-qunit": "^5.1.2",
+    "ember-resolver": "^8.0.2",
+    "ember-source": "^3.24.1",
+    "ember-source-channel-url": "^3.0.0",
     "ember-try": "^1.4.0",
-    "eslint": "^6.7.2",
+    "eslint": "^7.19.0",
     "loader.js": "^4.2.3",
-    "qunit-dom": "^0.9.2"
+    "qunit-dom": "^1.6.0"
   },
   "peerDependencies": {
     "ember-css-modules": "^1.3.1"