Tweak language in PR template
Tweak language in PR template

This has irked me for a while.

Declaring certainty that a change won't produce a regression seems impossibly hard, and I think this is a more achievable reflection of the intent.
dimagi/commcare-hq,dimagi/commcare-hq,dimagi/commcare-hq,dimagi/commcare-hq,dimagi/commcare-hq