feat: save failed test logs and truncate WAF log when using --log-failures-only#626

Copilot wants to merge 5 commits intomaincoreruleset/go-ftw:mainfrom

copilot/only-keep-logs-for-failing-testscoreruleset/go-ftw:copilot/only-keep-logs-for-failing-testsCopy head branch name to clipboard