Add Regular Member voting and clarify At large term (openjs-foundatio…

…n#964)

It seems that the regular member voting election isn't in this list. 🤔 

Signed-off-by: Joe Sepi <sepi@joesepi.com>

Signed-off-by: Joe Sepi <sepi@joesepi.com>

Dates-and-Reminders.md

@@ -8,5 +8,6 @@ This document will be used to capture dates and reminders to review before each
 - Director 1 election - term ends February 28
 - Director 2 election - term ends July 31
 - CPC Impact voting member selection - term ends July 31
-- CPC Non-impact voting member election - term ends July 31
+- CPC At-Large voting member election - term ends July 31
+- CPC Regular member voting member election - term ends July 31
 - Review issues labeled [`cpc-quartely-review`](https://github.com/openjs-foundation/cross-project-council/labels/cpc-quartely-review) at the end of every quarter