ci(pr-check): Fix on and the message (#7)

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**Issue:** close #

### Checklist

- [ ] This Pull Request introduces a new feature.
- [ ] This Pull Request fixes a bug.

### Description

Runs on every PR change, and the message was wrong.

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<br />

- [x] I agree to follow the [Code of
Conduct](https://github.com/5ouma/opml-generator/blob/main/.github/CODE_OF_CONDUCT.md).

.github/workflows/pr-check.yml

@@ -1,7 +1,11 @@
 name: 🥽 Pull Request Check
 
 on:
- - pull_request_target
+ pull_request:
+ types:
+ - opened
+ - reopened
+ - edited
 
 jobs:
  Labeler:
@@ -20,4 +24,4 @@ jobs:
  steps:
  - name: 🚫 Base Branch is wrong
  if: ${{ github.head_ref != 'dev' && github.base_ref == 'main' }}
- run: echo "Base branch should be \`main\`." && return 1
+ run: echo "Base branch should be \`dev\`." && return 1