Bump armbian/build from 24.2.1 to 2021.05

[dependabot[bot]]

Bumps armbian/build from 24.2.1 to 2021.05.

Commits

• c7f5a19 Bugfix - moving mpv from CLI BSP package
• 9c185c5 Remove deprecated patch
• 23dd921 rk322x-edge: adjust kernel config
• 1120d6f Xmonad wm (#2808)
• 9dd6f93 updating cinnamon desktop and linking to hirsute (#2809)
• e3a7b90 Add upstream patches
• 70b985d Bump with version
• bb3fee0 Upstream patches
• d3997fe Cache creation improvements (#2806)
• f43db66 Cosmetical in backend
• Additional commits viewable in compare view

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