main/mercurial: upgrade to 5.4
Also enable check() to run around 730 of the 919 tests on all arches apart from armv7. On armv7 in CI around 400 more tests time out, so this commit does not not enable the test suite.
Edited by Keith Maxwell
Also enable check() to run around 730 of the 919 tests on all arches apart from armv7. On armv7 in CI around 400 more tests time out, so this commit does not not enable the test suite.