#2177 Updating cypress and percy

package.json

@@ -49,6 +49,7 @@
   },
   "dependencies": {
     "@braintree/sanitize-url": "^3.1.0",
+    "@percy/migrate": "^0.10.0",
     "d3": "^5.7.0",
     "dagre": "^0.8.4",
     "dagre-d3": "^0.6.4",
@@ -58,12 +59,11 @@
     "stylis": "^3.5.2"
   },
   "devDependencies": {
-    "js-base64":"3.6.1",
     "@babel/core": "^7.2.2",
     "@babel/preset-env": "^7.8.4",
     "@babel/register": "^7.0.0",
-    "@percy/cypress": "2.3.0",
-    "dompurify": "2.2.9",
+    "@percy/cli": "^1.0.0-beta.58",
+    "@percy/cypress": "^3.1.0",
     "babel-core": "7.0.0-bridge.0",
     "babel-eslint": "^10.1.0",
     "babel-jest": "^24.9.0",
@@ -71,8 +71,9 @@
     "coveralls": "^3.0.2",
     "css-loader": "^2.0.1",
     "css-to-string-loader": "^0.1.3",
-    "cypress": "4.0.1",
+    "cypress": "7.6.0",
     "documentation": "^12.0.1",
+    "dompurify": "2.2.9",
     "eslint": "^6.3.0",
     "eslint-config-prettier": "^6.3.0",
     "eslint-plugin-prettier": "^3.1.0",
@@ -80,11 +81,10 @@
     "identity-obj-proxy": "^3.0.0",
     "jest": "^24.9.0",
     "jison": "^0.4.18",
+    "js-base64": "3.6.1",
     "minify": "^4.1.1",
     "moment": "^2.23.0",
     "prettier": "^1.18.2",
-    "puppeteer": "^1.17.0",
-    "sass-loader": "^7.1.0",
     "start-server-and-test": "^1.10.6",
     "terser-webpack-plugin": "^2.2.2",
     "webpack": "^4.41.2",