FTR: add chromium-based Edge browser support (elastic#61684)

* bump dependency, add edge support in ftr services

* add config files

* fix browser version for msedge

* use npm ms-chromium-edge-driver

* download edge driver aside from session creation

* move dependency to dev

* update dist/index file

* bump edge-driver version

* change type to msedge to match w3c spec

* fix discover tests for Edge

* Revert "fix discover tests for Edge"

This reverts commit 87e7fdd.

* bump driver version up

Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>

package.json

@@ -372,7 +372,7 @@
     "@types/recompose": "^0.30.6",
     "@types/redux-actions": "^2.6.1",
     "@types/request": "^2.48.2",
-    "@types/selenium-webdriver": "^4.0.5",
+    "@types/selenium-webdriver": "4.0.9",
     "@types/semver": "^5.5.0",
     "@types/sinon": "^7.0.13",
     "@types/strip-ansi": "^3.0.0",
@@ -457,6 +457,7 @@
     "load-grunt-config": "^3.0.1",
     "mocha": "^7.1.1",
     "mock-http-server": "1.3.0",
+    "ms-chromium-edge-driver": "^0.2.0",
     "multistream": "^2.1.1",
     "murmurhash3js": "3.0.1",
     "mutation-observer": "^1.0.3",
@@ -475,7 +476,7 @@
     "react-textarea-autosize": "^7.1.2",
     "regenerate": "^1.4.0",
     "sass-lint": "^1.12.1",
-    "selenium-webdriver": "^4.0.0-alpha.5",
+    "selenium-webdriver": "^4.0.0-alpha.7",
     "simple-git": "1.116.0",
     "simplebar-react": "^2.1.0",
     "sinon": "^7.4.2",