Add junit report parser

[frankdekker]

No description provided.

[codecov]

Codecov Report

Merging #265 (ebeca72) into master (f7a91ec) will decrease coverage by 0.02%.
The diff coverage is 94.44%.

❗ Current head ebeca72 differs from pull request most recent head 189fc0b. Consider uploading reports for the commit 189fc0b to get more accurate results

@@              Coverage Diff              @@
##              master     #265      +/-   ##
=============================================
- Coverage     100.00%   99.98%   -0.02%     
- Complexity      2403     2409       +6     
=============================================
  Files            407      408       +1     
  Lines           7081     7099      +18     
=============================================
+ Hits            7081     7098      +17     
- Misses             0        1       +1     

Impacted Files	Coverage Δ
...rt/CodeInspection/Parser/CheckStyleIssueParser.php	100.00% <ø> (ø)
...Report/CodeInspection/Parser/GitlabIssueParser.php	100.00% <ø> (ø)
.../Report/CodeInspection/Parser/JunitIssueParser.php	94.44% <94.44%> (ø)

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