auto approve PRs (#29)

Author: tjenkinson

README.md

@@ -1,6 +1,6 @@
 # gh-action-auto-merge-dependency-updates
 
-A GitHub action that will automatically merge a PR that only contains dependency updates, based on some rules.
+A GitHub action that will automatically approve and merge a PR that only contains dependency updates, based on some rules.
 
 If you run tests on PR's make sure you [configure those as required status checks](https://docs.github.com/en/github/administering-a-repository/enabling-required-status-checks) so that they need to go green before the merge can occur.
 
@@ -11,6 +11,7 @@ Note that the action does not check the "package-lock.json" is valid, so you sho
 - `repo-token`: a GitHub API token. E.g. `${{ secrets.GITHUB_TOKEN }}`
 - `allowed-actors`: A comma separated list of usernames auto merge is allowed for.
 - `allowed-update-types` (optional): A comma separated list of types of updates that are allowed. Supported: [devDependencies|dependencies]:[major|minor|patch]. _Default: `devDependencies:minor, devDependencies:patch`_
+- `approve` (optional): Automatically approve the PR if it qualifies for auto merge. _Default: `true`_
 - `package-block-list` (optional): A comma separated list of packages that auto merge should not be allowed for.
 
 You should configure this action to run on the `pull_request` and `pull_request_review` events.

action.yml

@@ -11,6 +11,9 @@ inputs:
   allowed-update-types:
     description: 'Comma separated list of types of updates that are allowed. Supported: [devDependencies|dependencies]:[major|minor|patch]'
     default: 'devDependencies:minor, devDependencies:patch'
+  approve:
+    description: 'Automatically approve the PR if it qualifies for auto merge'
+    default: 'true'
   package-block-list:
     required: false
     description: 'Comma separated list of packages that auto merge should not be allowed for'