[XmlLintTask] Added error logs.

[siad007]

• Added improved error logging
• Moved task to system tasks
• Added test
• Added build file linter

[codecov]

Codecov Report

Merging #1575 (2783423) into main (ecd056d) will increase coverage by 0.21%.
The diff coverage is 72.09%.

❗ Current head 2783423 differs from pull request most recent head 4a74bfd. Consider uploading reports for the commit 4a74bfd to get more accurate results

@@             Coverage Diff              @@
##               main    #1575      +/-   ##
============================================
+ Coverage     55.95%   56.16%   +0.21%     
- Complexity     6909     6917       +8     
============================================
  Files           354      354              
  Lines         16723    16752      +29     
============================================
+ Hits           9357     9409      +52     
+ Misses         7366     7343      -23     

Impacted Files	Coverage Δ	Complexity Δ
src/Phing/Task/System/XmlLintTask.php	64.19% <72.09%> (ø)	31.00 <23.00> (?)

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