[ANNOUNCE] wayland 1.21.93

[Simon Ser]

Faith Ekstrand (1):
      Add a .mailmap file

Simon Ser (1):
      build: bump to version 1.21.93 for the RC1 release

git tag: 1.21.93

https://gitlab.freedesktop.org/wayland/wayland/-/releases/1.21.93/downloads/wayland-1.21.93.tar.xz
SHA256: 0f1d3aa21e2bbcc15b4bd4d6e46d52c3e0d32e82fac8ef21b497c28e0bfa0a47  wayland-1.21.93.tar.xz
SHA512: 97dccb75157fe46eec08d83b93fa2b158ddb91c83e8692930733beb6925d17e8f2f9d3b2a8976ea41335a4f25b5a327b5906f452d7fce4b850829f043b93d6b3  wayland-1.21.93.tar.xz
PGP:    https://gitlab.freedesktop.org/wayland/wayland/-/releases/1.21.93/downloads/wayland-1.21.93.tar.xz.sig