`maven-metadata.xml` is not deployed to Maven repo

[c-dilks]

For coat-libs, consumed by clas12-timeline et al., the file maven-metadata.xml is not found in the Maven repository; the missing file prevents Dependabot from tracking updates, e.g.:

updater | 2025/05/05 08:27:13 INFO <job_1010199179> Checking if org.jlab.coat:coat-libs 10.0.8-SNAPSHOT needs updating
  proxy | 2025/05/05 08:27:13 [076] GET [https://clasweb.jlab.org:443/clas12maven/org/jlab/coat/coat-libs/maven-metadata.xml](https://clasweb.jlab.org/clas12maven/org/jlab/coat/coat-libs/maven-metadata.xml)
  proxy | 2025/05/05 08:27:14 [076] 404 [https://clasweb.jlab.org:443/clas12maven/org/jlab/coat/coat-libs/maven-metadata.xml](https://clasweb.jlab.org/clas12maven/org/jlab/coat/coat-libs/maven-metadata.xml)
  proxy | 2025/05/05 08:27:14 [078] GET [https://groovy.jfrog.io:443/artifactory/plugins-release/org/jlab/coat/coat-libs/maven-metadata.xml](https://groovy.jfrog.io/artifactory/plugins-release/org/jlab/coat/coat-libs/maven-metadata.xml)
  proxy | 2025/05/05 08:27:14 [078] 404 [https://groovy.jfrog.io:443/artifactory/plugins-release/org/jlab/coat/coat-libs/maven-metadata.xml](https://groovy.jfrog.io/artifactory/plugins-release/org/jlab/coat/coat-libs/maven-metadata.xml)
  proxy | 2025/05/05 08:27:14 [081] GET [https://repo.maven.apache.org:443/maven2/org/jlab/coat/coat-libs/maven-metadata.xml](https://repo.maven.apache.org/maven2/org/jlab/coat/coat-libs/maven-metadata.xml)
  proxy | 2025/05/05 08:27:14 [081] 404 [https://repo.maven.apache.org:443/maven2/org/jlab/coat/coat-libs/maven-metadata.xml](https://repo.maven.apache.org/maven2/org/jlab/coat/coat-libs/maven-metadata.xml)
updater | 2025/05/05 08:27:14 INFO <job_1010199179> Latest version is 
updater | 2025/05/05 08:27:14 INFO <job_1010199179> Requirements to unlock update_not_possible
updater | 2025/05/05 08:27:14 INFO <job_1010199179> Requirements update strategy 
updater | 2025/05/05 08:27:14 INFO <job_1010199179> No update possible for org.jlab.coat:coat-libs 10.0.8-SNAPSHOT

from https://github.com/JeffersonLab/clas12-timeline/actions/runs/14832253393/job/41635774631#step:3:202

[c-dilks]

also

[WARNING] Artifact org.jlab.coat:coat-libs JAR (about to be installed/deployed) contains Maven Plugin metadata for conflicting coordinates: org.jacoco:jacoco-maven-plugin. Your JAR contains rogue Maven Plugin metadata. Possible causes may be: shaded into this JAR some Maven Plugin or some rogue resource.