As a plugin developer you can use this plugin as dependency of your plugin by adding a dependency tag to your POM.
To add the latest version of this plugin as a maven dependency, use the following:
<dependency> <groupId>io.jenkins.plugins</groupId> <artifactId>digicert-software-trust-gpg-sign</artifactId> <version>19.va_8b_60320b_ec8</version> </dependency>