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/invariant/invariant.js.flow

@@ -0,0 +1,7 @@
+/* @flow strict */
+
+declare module.exports: (
+  condition: any,
+  format?: string,
+  ...args: Array<any>
+) => void;