k3s/.github/PULL_REQUEST_TEMPLATE.md

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#### Proposed Changes ####

<!-- Describe the big picture of your changes here to communicate to the maintainers why we should accept this pull request. -->

#### Types of Changes ####

<!-- What types of changes does your code introduce to K3s? Bugfix, New Feature, Breaking Change, etc -->

#### Verification ####

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#### Testing ####

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#### Linked Issues ####

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#### User-Facing Change ####
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Does this PR introduce a user-facing change? If no, just write "NONE" in the release-note block below.
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```release-note

```

#### Further Comments ####

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