feat: add flatt-security/shisho

[CrystalMethod]

flatt-security/shisho: Lightweight static analyzer for several programming languages

$ aqua g -i flatt-security/shisho

How to confirm if this package works well

Reviewers aren't necessarily familiar with this package, so please describe how to confirm if this package works well.
Please confirm if this package works well yourself as much as possible.

Command and output

$ shisho --help
shisho 0.5.2

USAGE:
    shisho <SUBCOMMAND>

FLAGS:
    -h, --help       Prints help information
    -V, --version    Prints version information

SUBCOMMANDS:
    check
    completion    Prints scripts for shell completion
    find          Checks files with a pattern given in command line arguments
    help          Prints this message or the help of the given subcommand(s)

[suzuki-shunsuke]

Thank you!

[suzuki-shunsuke]

v4.102.0 is out 🎉
https://github.com/aquaproj/aqua-registry/releases/tag/v4.102.0