testing/py3-zeroconf: upgrade to 0.28.0

* Add checkdepends and run tests.
* Remove unneeded runtime dependencies.
7 jobs for !10257 with py3-zeroconf in 2 minutes and 34 seconds
detached
Status Job ID Name Coverage
  Lint
passed #164408
docker-alpine x86_64
lint

00:00:22

 
  Build
passed #164413
docker-alpine ci-build aarch64
build-aarch64

00:01:21

passed #164414
docker-alpine ci-build armv7
build-armv7

00:01:27

passed #164412
docker-alpine ci-build ppc64le
build-ppc64le

00:01:40

passed #164411
docker-alpine ci-build s390x
build-s390x

00:01:10

passed #164410
docker-alpine ci-build x86
build-x86

00:01:12

passed #164409
docker-alpine ci-build x86_64
build-x86_64

00:01:15