add versions-maven-plugin 2.20.0

[hboutemy]

https://github.com/jvm-repo-rebuild/reproducible-central/blob/master/content/org/codehaus/mojo/versions-maven-plugin/README.md

[github-actions]

• org.codehaus.mojo:versions-maven-plugin 2.20.0

./rebuild.sh content/org/codehaus/mojo/versions-maven-plugin/versions-maven-plugin-2.20.0.buildspec

version=2.20.0
ok=23
ko=0
ignored=0
koFiles=""
ignoredFiles=""
reference_java_version="25 (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-jdk25-toolchains-25
	1:17.65 real,	0.22 user,	0.13 sys
docker build -q -t ghcr.io/jvm-repo-rebuild/rb-ubuntu-jdk25-toolchains-25-maven-3.9.0
	0:08.18 real,	0.07 user,	0.06 sys
docker build -q -t ghcr.io/jvm-repo-rebuild/rb-ubuntu-jdk25-toolchains-25-maven-3.9.0-runner
	0:11.72 real,	0.09 user,	0.05 sys
docker build -q -t ghcr.io/jvm-repo-rebuild/rb-ubuntu-jdk25-toolchains-25-maven-3.9.0-runner-utc-en_us-0002
	0:13.73 real,	0.08 user,	0.07 sys
docker run --name rebuild-central --rm
	1:11.13 real,	0.02 user,	0.03 sys