Bump versions: WP version and stable tag (#41427)

* Bump versions: WP version and stable tag

* changelog

Committed via a GitHub action: https://github.com/Automattic/jetpack/actions/runs/13051246120

Upstream-Ref: Automattic/jetpack@548c4ec

Author: donnchawp

readme.txt

@@ -1,10 +1,10 @@
 === WP Super Cache ===
 Contributors: donncha, automattic, adnan007, dilirity, mikemayhem3030, pyronaur, thingalon
 Tags: performance, caching, wp-cache, wp-super-cache, cache
-Requires at least: 6.6
+Requires at least: 6.2
 Requires PHP: 7.2
 Tested up to: 6.7.1
-Stable tag: 1.12.3
+Stable tag: 2.0.0
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html