main/graphviz: upgrade to 2.44.0 and fix source

7 jobs for !6596 with graphviz in 1 minute and 31 seconds
detached
Status Job ID Name Coverage
  Lint
passed #104752
docker-alpine x86_64
lint

00:00:26

 
  Build
passed #104757
docker-alpine ci-build aarch64
build-aarch64

00:00:23

passed #104758
docker-alpine ci-build armv7
build-armv7

00:00:24

passed #104756
docker-alpine ci-build ppc64le
build-ppc64le

00:00:40

passed #104755
docker-alpine ci-build s390x
build-s390x

00:00:21

passed #104754
docker-alpine ci-build x86
build-x86

00:00:19

passed #104753
docker-alpine ci-build x86_64
build-x86_64

00:00:20