Upgrade meek to 0.24
Here's the diff from the version we're using now. The only substantive changes are those that have to do with #20030 (moved). https://gitweb.torproject.org/pluggable-transports/meek.git/diff/?id=0.24&id2=0.22-18371-3
A patch is forthcoming.
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information