Add support to v1 to connect to GHES (#69)

* Bumping actions/github to 2.2.0 for GHES

* Husky commit correct node modules

node_modules/pretty-format/tsconfig.json

@@ -0,0 +1,8 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "rootDir": "src",
+    "outDir": "build"
+  },
+  "references": [{"path": "../jest-types"}]
+}