fix(cobertura): forge file name from pwd, source and filename

[github-actions[bot]]

Tests Report :page_facing_up:

Tests Succees :white_check_mark:

JUnit Details

Total Tests	Failures	Errors	Skipped	Time :hourglass_flowing_sand:
53	0	0	0	13.46s

Coverage Details (100% > 80%) :white_check_mark:

Diff Cover Details

File	Lines Covered		Lines
src/eventInfo.ts	1/1	100%
src/main.ts	1/1	100%
src/parsers/cobertura.ts	9/9	100%
Total	11/11	100%