Fix whitelisted headers
gpac: scope patches to stable
gpm v1.3.1

Closes #32751.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
gpm: update 1.3.1 bottle.
exiftool 9.72
exiftool: update 9.72 bottle.

Closes #32718.

Signed-off-by: Brett Koonce <koonce@gmail.com>
libtrace 3.0.21
libtrace: update 3.0.21 bottle.

Closes #32720.
mdp 0.91.2 (new formula)

mdp is "A command-line based markdown presentation tool." This program was
announced recently on Hacker News and has proved useful.
mdp: add 0.91.2 bottle.