main/perl-file-slurp: upgrade to 9999.28

5 jobs for !120 with perl-file-slurp in 53 seconds (queued for 2 seconds)
detached
Status Job ID Name Coverage
  Lint
passed #1017
x86_64 docker-alpine
lint

00:00:20

 
  Build
passed #1021
ppc64le ci-build docker-alpine
build-ppc64le

00:00:32

passed #1020
s390x ci-build docker-alpine
build-s390x

00:00:26

passed #1019
x86 ci-build docker-alpine
build-x86

00:00:32

passed #1018
x86_64 ci-build docker-alpine
build-x86_64

00:00:30