Final reminder: F31 Change proposals that require infra changes due today

[Ben Cotton]

If you have a Change proposal that requires changes to Infrastructure,
those proposals must be submitted (i.e. in ChangeReadyForWrangler
category) today, 26 June.

Other deadlines approaching:
* 2019-07-02 — Changes requiring mass rebuild
* 2019-07-02 — System-Wide changes
* 2019-07-23 — Self-contained changes

For more development milestones in the F31 schedule, see:
https://fedorapeople.org/groups/schedule/f-31/f-31-devel-tasks.html