percona-server: 5.6.20-68.0
percona-server: update 5.6.20-68.0 bottle.

Closes #32000.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
cgvg 1.6.3
cgvg: add 1.6.3 bottle.

Closes #31999.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
cgvg: general cleanup.