AntennaPod/.github/pull_request_template.md

### Description


### Checklist
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- [ ] I have read the contribution guidelines: https://github.com/AntennaPod/AntennaPod/blob/develop/CONTRIBUTING.md#submit-a-pull-request
- [ ] I have performed a self-review of my code
- [ ] I have run the automated code checks using `./gradlew checkstyle spotbugsPlayDebug spotbugsDebug :app:lintPlayDebug`
- [ ] My code follows the style guidelines of the AntennaPod project: https://github.com/AntennaPod/AntennaPod/wiki/Code-style
- [ ] I have mentioned the corresponding issue and the relevant keyword (e.g., "Closes: #xy") in the description (see https://docs.github.com/en/issues/tracking-your-work-with-issues/linking-a-pull-request-to-an-issue)
- [ ] If it is a core feature, I have added automated tests