Don't use old mar-tools after the watershed for generating 64bit Tor Browser MAR files for Windows
As a workaround for #24477 (moved) we are donwloading and using the mar-tools from Tor Browser 7.5a7 for generating MAR files during the bundling step for 64-bit Windows.
We need to use newer mar-tools, however, once we are beyond the watershed.
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information