* use upstream phpmicro
* move src/global/tests to src/global/ext-tests
* move src/global/tests to src/global/ext-tests
* prevent file_get_contents memory insufficience
* update README
* fix libxml >= 2.12 with older PHP (<=8.1) build bug
* cleanup code, support newer phpmicro
* add --no-strip and --with-upx-pack tests
* fix windows sanity check for newer phpmicro
* fix windows sanity check for newer phpmicro
* test
* test
* test
* update deps for ci