fix(docs): fix invalid pull request casing in docs (nrwl#123)

Author: meeroslav

README.md

@@ -82,7 +82,7 @@ jobs:
     # Default: false
     error-on-no-successful-workflow: ''
 
-    # The type of event to check for the last successful commit corresponding to that workflow-id, e.g. push, pull-request, release etc.
+    # The type of event to check for the last successful commit corresponding to that workflow-id, e.g. push, pull_request, release etc.
     #
     # Default: push
     last-successful-event: ''

action.yml

@@ -12,7 +12,7 @@ inputs:
     description: "By default, if no successful workflow is found on the main branch to determine the SHA, we will log a warning and use HEAD~1. Enable this option to error and exit instead."
     default: "false"
   last-successful-event:
-    description: "The type of event to check for the last successful commit corresponding to that workflow-id, e.g. push, pull-request, release etc"
+    description: "The type of event to check for the last successful commit corresponding to that workflow-id, e.g. push, pull_request, release etc"
     default: "push"
   working-directory:
     description: "The directory where your repository is located"

package.json

@@ -1,6 +1,6 @@
 {
   "private": true,
-  "version": "4.0.0",
+  "version": "4.0.1",
   "license": "MIT",
   "description": "This package.json is here purely to control the version of the Action, in combination with https://github.com/JamesHenry/publish-shell-action",
   "scripts": {