[FIX] add missing comma

[remi-filament]

Add missing comma causing ruff to fail :

ruff failed
  Cause: Failed to parse `.ruff.toml`: TOML parse error at line 10, column 5
   |
10 |     "I",  # isort
   |     ^
invalid array
expected `]`

[remi-filament]

Hi @sbidoul, found a trivial issue on .ruff.toml file

[sbidoul]

Thanks!