Issues seen recently downloading gem are fixed with the most recent version of the plugin/wagon. Dependabot did not bump automatically because the new versions changed the org.
Replace de.saumya.mojo:gem-maven-plugin by org.jruby.maven:gem-maven-plugin
Replace org.torquebox.mojo:mavengem-wagon by org.jruby.maven:mavengem-wagon
Issues seen recently downloading gem are fixed with the most recent version of the plugin/wagon. Dependabot did not bump automatically because the new versions changed the org.