updated sentry libs from raven to @sentry

package.json

@@ -67,6 +67,7 @@
     "@dannycoates/webcrypto-liner": "^0.1.37",
     "@fullhuman/postcss-purgecss": "^1.2.0",
     "@mattiasbuelens/web-streams-polyfill": "0.2.1",
+    "@sentry/browser": "^5.6.1",
     "asmcrypto.js": "^0.22.0",
     "babel-loader": "^8.0.6",
     "babel-plugin-istanbul": "^5.2.0",
@@ -107,7 +108,6 @@
     "prettier": "^1.18.2",
     "proxyquire": "^2.1.1",
     "puppeteer": "^1.19.0",
-    "raven-js": "^3.27.2",
     "raw-loader": "^3.1.0",
     "redis-mock": "^0.45.0",
     "rimraf": "^2.6.3",
@@ -141,6 +141,7 @@
     "@fluent/bundle": "^0.13.0",
     "@fluent/langneg": "^0.3.0",
     "@google-cloud/storage": "^3.0.4",
+    "@sentry/node": "^5.6.1",
     "aws-sdk": "^2.506.0",
     "body-parser": "^1.19.0",
     "choo": "^6.13.3",
@@ -152,7 +153,6 @@
     "mkdirp": "^0.5.1",
     "mozlog": "^2.2.0",
     "node-fetch": "^2.6.0",
-    "raven": "^2.6.4",
     "redis": "^2.8.0",
     "selenium-standalone": "^6.15.6",
     "ua-parser-js": "^0.7.20"