Meta: Minor updates to PR templates (#4338)

Author: AA-Turner

.github/PULL_REQUEST_TEMPLATE/Mark a PEP Accepted or Rejected.md renamed to .github/PULL_REQUEST_TEMPLATE/Mark a PEP as Accepted or Rejected.md

@@ -8,6 +8,6 @@ If you're unsure about anything, just leave it blank and we'll take a look.
 * [ ] SC/PEP Delegate has formally accepted/rejected the PEP and posted to the ``Discussions-To`` thread
 * [ ] Pull request title in appropriate format (``PEP 123: Mark as Accepted``)
 * [ ] ``Status`` changed to ``Accepted``/``Rejected``
-* [ ] ``Resolution`` link points directly to SC/PEP Delegate official acceptance/rejected post
+* [ ] ``Resolution`` field points directly to SC/PEP Delegate official acceptance/rejected post, including the date (e.g. `` `01-Jan-2000 <https://discuss.python.org/t/12345/100>`__ ``)
 * [ ] Acceptance/rejection notice added, if the SC/PEP delegate had major conditions or comments
 * [ ] ``Discussions-To``, ``Post-History`` and ``Python-Version`` up to date

.github/PULL_REQUEST_TEMPLATE/Mark a PEP Final.md renamed to .github/PULL_REQUEST_TEMPLATE/Mark a PEP as Final.md

@@ -7,7 +7,7 @@ If you're unsure about something, just leave it blank and we'll take a look.
 * [ ] Final implementation has been merged (including tests and docs)
 * [ ] PEP matches the final implementation
 * [ ] Any substantial changes since the accepted version approved by the SC/PEP delegate
-* [ ] Pull request title in appropriate format (``PEP 123: Mark Final``)
+* [ ] Pull request title in appropriate format (``PEP 123: Mark as Final``)
 * [ ] ``Status`` changed to ``Final`` (and ``Python-Version`` is correct)
 * [ ] Canonical docs/spec linked with a ``canonical-doc`` directive
       (or ``canonical-pypa-spec`` for packaging PEPs,