Add troubleshooting information for pcre2 failures when running tests
What does this Merge Request do and why?
Address the problem in gitaly#4028 (closed) with documentation as troubleshooting information until it can be resolved programmatically.
CC @stanhu @pks-t @toon @kushalpandya @tkuah
Merge Request checklist
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This change is backward compatible. If not, please include steps to communicate to our users. -
Tests added for new functionality. If not, please raise Issue to follow-up. -
Documentation added/updated, if needed. -
gdk doctor
test added, if needed. -
Add the ~highlight
label if this MR should be included in theCHANGELOG.md
.