.github/PULL_REQUEST_TEMPLATE

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<!-- ==== 🐛 Remove this line WHEN AND ONLY WHEN you're fixing a bug, follow the checklist 👇 ====
### Fix <bug description or the bug issue number or bug issue link>
- [ ] Add a unit test to verify that the fix works.
- [ ] Explain briefly why the bug exists and how to fix it.
     ==== 🐛 Remove this line WHEN AND ONLY WHEN you're fixing a bug, follow the checklist 👆 ==== -->

<!-- ==== 🔌 Remove this line WHEN AND ONLY WHEN you're adding a new plugin, follow the checklist 👇 ====
### Add an agent plugin to support <framework name>
- [ ] Add a test case for the new plugin, refer to [the doc](https://github.com/apache/skywalking-java/blob/main/docs/en/setup/service-agent/java-agent/Plugin-test.md)
- [ ] Add a component id in [the component-libraries.yml](https://github.com/apache/skywalking/blob/master/oap-server/server-starter/src/main/resources/component-libraries.yml)
- [ ] Add a logo in [the UI repo](https://github.com/apache/skywalking-rocketbot-ui/tree/master/src/views/components/topology/assets)
     ==== 🔌 Remove this line WHEN AND ONLY WHEN you're adding a new plugin, follow the checklist 👆 ==== -->

<!-- ==== 📈 Remove this line WHEN AND ONLY WHEN you're improving the performance, follow the checklist 👇 ====
### Improve the performance of <class or module or ...>
- [ ] Add a benchmark for the improvement, refer to [the existing ones](https://github.com/apache/skywalking-java/blob/main/apm-commons/apm-datacarrier/src/test/java/org/apache/skywalking/apm/commons/datacarrier/LinkedArrayBenchmark.java)
- [ ] The benchmark result.
```text
<Paste the benchmark results here>
```
- [ ] Links/URLs to the theory proof or discussion articles/blogs. <links/URLs here>
     ==== 📈 Remove this line WHEN AND ONLY WHEN you're improving the performance, follow the checklist 👆 ==== -->

<!-- ==== 🆕 Remove this line WHEN AND ONLY WHEN you're adding a new feature, follow the checklist 👇 ====
### <Feature description>
- [ ] If this is non-trivial feature, paste the links/URLs to the design doc.
- [ ] Update the documentation to include this new feature.
- [ ] Tests(including UT, IT, E2E) are added to verify the new feature.
- [ ] If it's UI related, attach the screenshots below.
     ==== 🆕 Remove this line WHEN AND ONLY WHEN you're adding a new feature, follow the checklist 👆 ==== -->

- [ ] If this pull request closes/resolves/fixes an existing issue, replace the issue number. Closes #<issue number>.
- [ ] Update the [`CHANGES` log](https://github.com/apache/skywalking-java/blob/main/CHANGES.md).