message: Updates LetsMove submodule to own fork
  Upstream is not maintained, move to own fork.
diff: url = https://github.com/madler/zlib.git
  [submodule "deps/letsmove"]
  path = deps/letsmove
  - url = https://github.com/GroundControl-Solutions/LetsMove.git
  + url = https://github.com/vslavik/LetsMove.git
  [submodule "deps/cld2"]
  path = deps/cld2
  url = https://github.com/CLD2Owners/cld2.git
  