WinUI Gallery v2.4.2

@AndrewKeepCoding

What's Changed

Fix Pivot control's description by @AndrewKeepCoding in #1508
Fix#1493 Control Source link 404 bug by @efreykongcn in #1494
Update WinUIGalleryLanding.PNG #1476 by @ghost1372 in #1478
adjust code padding by @Jay-o-Way in #1490
Fix issue when searching on icons page with item being selected by @marcelwgn in #1515
Move accessibility samples into accessibility folder by @marcelwgn in #1514
add 23H2 and 24H2 in forms by @Jay-o-Way in #1495
Set URI source version numbers dynamically to simplify maintenance by @Scottj1s in #1523
[Colors] Replace ComboBox with SelectorBar by @niels9001 in #1496
Implement better keyboard handling, add missing navigation shortcuts/keys by @marcelwgn in #1482
Allow dragging last tab out of window by @marcelwgn in #1471
Update link to point to WinUI 3 docs by @marcelwgn in #1510
Fix settings page crash on Windows 10 by @HO-COOH in #1480
Update CommandBar description by @Jay-o-Way in #1529
Update SignalSection: "System / Critical" and IsClosable="False" by @Jay-o-Way in #1532
Fix pageheader spacing at smaller window widths by @niels9001 in #1537
Update Pivot Recommendation by @karkarl in #1539
[Design guidance] Additional pages by @niels9001 in #1531

Full Changelog: v.2.4.1...v2.4.2