Prepare for release 2.6.0

[ilyasfoo]

Changes proposed in this Pull Request:

Preparation for release of 2.6.0.

This release does not enable Launch Your Store feature flag yet, I intend to perform internal call for testing prior having it enabled for all users.

Changelog

= 2.6.0 =
* Hide WPCOM's coming soon page when the launch-your-store feature flag is enabled #1500
* Exclude LYS coming soon page for WPCOM share link #1501
* Sync WPCOM coming soon status to LYS #1502
* Add sync coming soon status from LYS to WPCOM #1503
* Refactor LYS to use unidirectional data flow #1506
* Disable launch your store on trial sites #1507
* Add conditional check to replace launch-site task with LYS task #1509
* Fix logic for disabling lys task on trial sites #1511

Note: appended * Fix logic for disabling lys task on trial sites #1511 after the fact for a quick fix

[github-actions]

Size Change: 0 B

Total Size: 201 kB

ℹ️ View Unchanged

Filename	Size
./build/53.js	1.08 kB
./build/index.css	878 B
./build/index.js	126 kB
./build/marketing.js	58.3 kB
./build/payment-gateway-suggestions.css	1.24 kB
./build/payment-gateway-suggestions.js	6.57 kB
./build/plugins.js	3.93 kB
./build/style-index.css	2.15 kB
./build/style-marketing.css	800 B

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[moon0326]

LGTM 👍 🚀