Suppress output from `cd`

Closes #34246.
percona-server 5.6.21-70.1

Closes #34450.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
percona-server: update 5.6.21-70.1 bottle.
emscripten 1.27.0

Version bump.

Closes #34455.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
emscripten: update 1.27.0 bottle.
liboping 1.8.0

Closes #34365.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
liboping: update 1.8.0 bottle.
add ChinaDNS-C 1.1.8
chinadns: add 1.1.8 bottle.