Add support for setting standard, outfile and format to phpcs task

[kenguest]

This brings the phpcs task in line with most of the attributes used/specified in the phpcodesniffer task, making it easier to switch to the newer task.

[codecov]

Codecov Report

Merging #1612 (e033875) into main (f4a49bf) will increase coverage by 0.05%.
The diff coverage is 73.33%.

❗ Current head e033875 differs from pull request most recent head 67292b3. Consider uploading reports for the commit 67292b3 to get more accurate results

@@             Coverage Diff              @@
##               main    #1612      +/-   ##
============================================
+ Coverage     56.79%   56.84%   +0.05%     
- Complexity     6908     6914       +6     
============================================
  Files           354      354              
  Lines         16733    16748      +15     
============================================
+ Hits           9503     9520      +17     
+ Misses         7230     7228       -2     

Impacted Files	Coverage Δ
src/Phing/Task/Optional/PhpCSTask.php	88.33% <73.33%> (+8.33%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update f4a49bf...67292b3. Read the comment docs.

[kenguest]

Documentation updated in phingofficial/guide#35

[siad007]

LGTM