Merge pull request #21 from abacaphiliac/build-php-8

chore: build php@8

Merge pull request #16 from abacaphiliac/coverage

increase coverage

Merge pull request #11 from abacaphiliac/fixes-5

fixes(#5): duration is expressed in seconds, not microseconds

Merge pull request #6 from abacaphiliac/php-compat

cicd(php): add newest php versions to the build matrix

Merge pull request #3 from abacaphiliac/gitattributes

slim composer install