mix deps.compile earmark parser

:~/blockscout# mix deps.compile earmark_parser
==> earmark_parser
Compiling 1 file (.yrl)
/usr/lib/erlang/lib/parsetools-2.3.2/include/yeccpre.hrl: no such file or directory
could not compile dependency :earmark_parser, "mix compile" failed. You can recompile this dependency with "mix deps.compile earmark_parser", update it with "mix deps.update earmark_parser" or clean it with "mix deps.clean earmark_parser"

See also

• BlockScout, manual deployment, BlockScout variables, Logs
• mix [ do ]