main/libgit2: use python3 and system http-parser

7 jobs for !702 with libgit2 in 13 minutes and 20 seconds (queued for 2 seconds)
detached
Status Job ID Name Coverage
  Lint
passed #7395
docker-alpine x86_64
lint

00:00:22

 
  Build
passed #7400
docker-alpine ci-build aarch64
build-aarch64

00:01:22

passed #7401
docker-alpine ci-build armv7
build-armv7

00:01:23

passed #7399
docker-alpine ci-build ppc64le
build-ppc64le

00:01:16

passed #7398
docker-alpine ci-build s390x
build-s390x

00:01:17

passed #7397
docker-alpine ci-build x86
build-x86

00:11:39

passed #7396
docker-alpine ci-build x86_64
build-x86_64

00:01:09