Implement --exclude option in phpcs command

[NoelDeMartin]

I've been trying to exclude some rules from a plugin using a .phpcs.xml file and I didn't manage to do it. But it was very easy using the exclude option. I think this would be a nice addition.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (f783423) 85.15% compared to head (79c6925) 85.17%.

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #259      +/-   ##
============================================
+ Coverage     85.15%   85.17%   +0.01%     
- Complexity      717      718       +1     
============================================
  Files            75       75              
  Lines          2229     2232       +3     
============================================
+ Hits           1898     1901       +3     
  Misses          331      331              

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[stronk7]

Sold!

[stronk7]

Up to you the little details commented, just tell me what are you going to do (ignore or add it) and I'll approve this.

Thanks!

[stronk7]

Sold, thanks!