main/postfix: upgrade to 3.4.8

7 jobs for !1608 with postfix in 2 minutes and 42 seconds (queued for 2 seconds)
detached
Status Job ID Name Coverage
  Lint
passed #17276
docker-alpine x86_64
lint

00:00:37

 
  Build
passed #17281
docker-alpine ci-build aarch64
build-aarch64

00:01:37

passed #17282
docker-alpine ci-build armv7
build-armv7

00:02:03

passed #17280
docker-alpine ci-build ppc64le
build-ppc64le

00:01:18

passed #17279
docker-alpine ci-build s390x
build-s390x

00:00:45

passed #17278
docker-alpine ci-build x86
build-x86

00:01:19

passed #17277
docker-alpine ci-build x86_64
build-x86_64

00:01:16