Update .github/PULL_REQUEST_TEMPLATE.md
Update .github/PULL_REQUEST_TEMPLATE.md

Co-authored-by: Felix Arntz <782002df4ce31e48d44de9a3508fdd70af7a9351@users.noreply.github.com>
google/site-kit-wp,google/site-kit-wp,google/site-kit-wp,google/site-kit-wp