add reproducible-build-maven-plugin 0.15.2

[hboutemy]

https://github.com/jvm-repo-rebuild/reproducible-central/blob/master/content/ch/galinet/reproducible-build-maven-plugin/README.md

[github-actions]

version=0.15.2
ok=3
ko=0
ignored=0
koFiles=""
ignoredFiles=""
reference_java_version="1.8 (from MANIFEST.MF Build-Jdk-Spec)"
reference_os_name="Unix (from pom.properties newline)"

docker build -q -t ghcr.io/jvm-repo-rebuild/rb-ubuntu-jdk8-mvn3.6.3-toolchains-8
	0:48.43 real,	0.13 user,	0.13 sys
docker build -q -t ghcr.io/jvm-repo-rebuild/rb-ubuntu-jdk8-mvn3.6.3-toolchains-8-maven
	0:18.18 real,	0.07 user,	0.05 sys
docker build -q -t ghcr.io/jvm-repo-rebuild/rb-ubuntu-jdk8-mvn3.6.3-toolchains-8-maven-runner
	0:09.68 real,	0.06 user,	0.06 sys
docker build -q -t ghcr.io/jvm-repo-rebuild/rb-ubuntu-jdk8-mvn3.6.3-toolchains-8-maven-runner-utc-en_us-0002
	0:11.20 real,	0.09 user,	0.03 sys
docker run --name rebuild-central --rm
	0:16.43 real,	0.01 user,	0.02 sys