Update default for acceptable_conclusions (#250)

Update default for `acceptable_conclusions`

Updated to mirror standard GitHub behaviur, where `skipped` is
considered an acceptable conclusion to a workflow or job step.

Remove previously added examples as they are redundant.


Co-authored-by: Matti Schneider <gh@mattischneider.fr>

Author: CasperWA

README.md

@@ -157,7 +157,7 @@ All input names in **bold** are _required_.
 | `debug` | Set `set -x` in `entrypoint.sh` when running the action. This is for debugging the action. | `False` |
 | `path` | A path to the working directory of the action. This should be relative to the `$GITHUB_WORKSPACE`. | `.` |
 | `gh_rest_api_base_url` | The base URL for the GitHub REST API. This is useful for GitHub Enterprise users.</br>Note, `/api/v3` will be appended to this value if it does not already exist. See the note [here](https://docs.github.com/en/enterprise-server@3.10/rest/quickstart?apiVersion=2022-11-28&tool=curl#using-curl-commands-in-github-actions). | `https://api.github.com` |
-| `acceptable_conclusions` | A string listing acceptable statuses, as comma-separated entries with no spaces (for example: `'success,skipped'`). If any of these statuses are present, the action will not fail.</br></br>See the [GitHub REST API documentation](https://docs.github.com/en/rest/actions/workflow-jobs#get-a-job-for-a-workflow-run), specifically, the Response schema's "conclusion" property's `enum` values, for a complete list of supported values (excluding `null`). | `success` |
+| `acceptable_conclusions` | A string listing acceptable statuses as comma-separated entries with no spaces. If any of these statuses are present, the action will not fail.</br></br>See the [GitHub REST API documentation](https://docs.github.com/en/rest/actions/workflow-jobs#get-a-job-for-a-workflow-run), specifically, the Response schema's "conclusion" property's `enum` values, for a complete list of supported values (excluding `null`). | `success,skipped` |
 | `fail_fast` | If set to true, the action will fail as soon as a check fails. If set to false (default), the action will wait for all checks to complete before failing. | `False` |
 
 ### Deprecated inputs

action.yml

@@ -57,9 +57,9 @@ inputs:
     required: false
     default: 'https://api.github.com'
   acceptable_conclusions:
-    description: 'A comma-separated list of acceptable conclusions. If any of these conclusions are present, the action will not fail.'
+    description: 'A string listing acceptable statuses as comma-separated entries with no spaces. If any of these conclusions are present, the action will not fail.'
     required: false
-    default: 'success'
+    default: 'success,skipped'
   fail_fast:
     description: 'If set to true, the action will fail as soon as a check fails. If set to false (default), the action will wait for all checks to complete before failing.'
     required: false