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>com.datapipe.jenkins.plugins</groupId>
<artifactId>hashicorp-vault-plugin</artifactId>
<version>371.v884a_4dd60fb_6</version>
</dependency>