Update .github/issue_template.md
Update .github/issue_template.md

Reword traces addition.

Co-authored-by: Paul Szczepanek <d9281af5822971e5e8b20431efbbda330f1fdf36@arm.com>
mbedmicro/mbed,mbedmicro/mbed,mbedmicro/mbed,mbedmicro/mbed,mbedmicro/mbed