travis -> gh-actions
travis
update travis/pecl
move to PHP-7.4 as current GA
travis: explicitly test against 7.4
update travis
update php versions
fix codecov
fix s/profile/coverage/
let 5.6 be the eldest
update travis
travis: PHP-7.2+ debug builds require valgrind headers for PCRE
travis: PHP-7.2 is on the road
test against 7.1
update travis
add master to the test matrix
travis