message: Trivial: Change to PR template wording: Backwards 'in compatible' (which should be 'incompatible') is the negative of compatible.
diff: @@ -7,7 +7,7 @@ _explanation of what it does_
  * If this is a fix for a JIRA, please put JIRA-reference in the PR title like _`KIALI-7 New icons`_ (Jira-id, one space, description)
  * If this is a fix for a GH-issue, please link it here
  -** Backwards in compatible? **
  +** Backwards compatible? **
  [ ] Is your pull-request introducing changes in behaviour?
  