main/libmaxminddb: security upgrade to 1.4.3

fixes CVE-2020-28241

See: #12251
7 jobs for !16278 with 3.12-libmaxminddb in 2 minutes and 22 seconds (queued for 1 second)
detached
Status Job ID Name Coverage
  Lint
passed #281658
docker-alpine x86_64
lint

00:00:16

 
  Build
passed #281663
docker-alpine ci-build aarch64
build-aarch64

00:00:50

passed #281664
docker-alpine ci-build armv7
build-armv7

00:01:01

passed #281662
docker-alpine ci-build ppc64le
build-ppc64le

00:01:00

passed #281661
docker-alpine ci-build s390x
build-s390x

00:01:15

passed #281660
docker-alpine ci-build x86
build-x86

00:00:32

passed #281659
docker-alpine ci-build x86_64
build-x86_64

00:00:43