Update a URL and change backlog-template.rst link
to queens-template.rst instead of pike-template.rst.
Change-Id: I638d057c3f51b016a2b61bd486bcadf4009b347f
We don't have a dedicated section for discussing potential upgrade
impact of changes and adding one might help authors to think about
and document upgrade implications in their specs.
Co-Authored-By: Matt Riedemann <mriedem.os@gmail.com>
Change-Id: I1798f2bdb246af9b9b12dbe9276d0a68a82e4c88
Zuul