brew-test-bot: force checkout master with cleanup.
glibmm 2.36.2
info: re-raise on blacklist miss
graphviz --devel 2.31.20130502

Closes #19585.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
libsndfile: depends_on on flac, libogg and libvorbis

Closes #19109.

Signed-off-by: Misty De Meo <mistydemeo@gmail.com>