Update devDependencies

Author: renovate[bot]

package.json

@@ -33,12 +33,12 @@
     "test": "percy exec -- ember test"
   },
   "devDependencies": {
-    "@docfy/ember": "^0.4.8",
+    "@docfy/ember": "^0.8.0",
     "@ember/optional-features": "^2.0.0",
     "@ember/test-helpers": "^2.6.0",
-    "@embroider/compat": "^0.49.0",
-    "@embroider/core": "^0.49.0",
-    "@embroider/webpack": "^0.49.0",
+    "@embroider/compat": "^0.50.0",
+    "@embroider/core": "^0.50.0",
+    "@embroider/webpack": "^0.50.0",
     "@fortawesome/ember-fontawesome": "github:NullVoxPopuli/ember-fontawesome#support-3-20-and-3-24",
     "@fortawesome/free-brands-svg-icons": "^5.15.4",
     "@fortawesome/free-regular-svg-icons": "^5.15.4",
@@ -72,11 +72,11 @@
     "@types/rsvp": "^4.0.4",
     "@typescript-eslint/eslint-plugin": "^4.33.0",
     "@typescript-eslint/parser": "^4.33.0",
-    "babel-eslint": "^10.1.0",
+    "@babel/eslint-parser": "^7.11.0",
     "broccoli-asset-rev": "^3.0.0",
     "ember-a11y-testing": "^4.3.0",
     "ember-auto-import": "^2.2.4",
-    "ember-cli": "~4.1.0",
+    "ember-cli": "~4.12.0",
     "ember-cli-app-version": "^5.0.0",
     "ember-cli-babel": "^7.26.11",
     "ember-cli-dependency-checker": "^3.2.0",
@@ -112,7 +112,7 @@
     "eslint-plugin-simple-import-sort": "^7.0.0",
     "globby": "^12.0.2",
     "loader.js": "^4.7.0",
-    "npm-run-all": "^4.1.5",
+    "npm-run-all2": "^5.0.0",
     "prettier": "^2.4.1",
     "qunit": "^2.17.2",
     "qunit-dom": "^2.0.0",