add org.apache.sling.feature 2.0.4

[hboutemy]

https://github.com/jvm-repo-rebuild/reproducible-central/blob/master/content/org/apache/sling/org.apache.sling.feature/README.md

[github-actions]

version=2.0.4
ok=4
ko=0
ignored=0
koFiles=""
ignoredFiles=""
reference_java_version="17 (from MANIFEST.MF Build-Jdk-Spec)"
reference_os_name="Windows (from pom.properties newline)"

docker build -q -t ghcr.io/jvm-repo-rebuild/rb-ubuntu-jdk17-toolchains-17
	0:49.63 real,	0.11 user,	0.11 sys
docker build -q -t ghcr.io/jvm-repo-rebuild/rb-ubuntu-jdk17-toolchains-17-maven-3.9.9
	0:06.07 real,	0.05 user,	0.05 sys
docker build -q -t ghcr.io/jvm-repo-rebuild/rb-ubuntu-jdk17-toolchains-17-maven-3.9.9-runner
	0:08.71 real,	0.08 user,	0.04 sys
docker build -q -t ghcr.io/jvm-repo-rebuild/rb-ubuntu-jdk17-toolchains-17-maven-3.9.9-runner-utc-en_us-0002
	0:10.60 real,	0.08 user,	0.05 sys
docker run --name rebuild-central --rm
	0:16.37 real,	0.01 user,	0.01 sys