Gradle build fails on ysoserial dependency

[earthenvessel]

Description of Bug

When attempting to build the Jar using Gradle, it fails with the error Could not find com.github.frohoff:ysoserial:master-SNAPSHOT.

What should the expected behavior be

All dependencies resolve properly so that the project build can successfully finish.

Steps to Reproduce

Run gradlew script to build the project

$ ./gradlew -Dorg.gradle.java.home=/usr/lib/jvm/java-8-openjdk-amd64 shadowJar
Starting a Gradle Daemon, 1 incompatible Daemon could not be reused, use --status for details

FAILURE: Build failed with an exception.

* What went wrong:
Could not determine the dependencies of task ':shadowJar'.
> Could not resolve all dependencies for configuration ':runtimeClasspath'.
   > Could not find com.github.frohoff:ysoserial:master-SNAPSHOT.
     Searched in the following locations:
       - https://repo.maven.apache.org/maven2/com/github/frohoff/ysoserial/master-SNAPSHOT/maven-metadata.xml
       - https://repo.maven.apache.org/maven2/com/github/frohoff/ysoserial/master-SNAPSHOT/ysoserial-master-SNAPSHOT.pom
       - https://repo.maven.apache.org/maven2/com/github/frohoff/ysoserial/master-SNAPSHOT/ysoserial-master-SNAPSHOT.jar
       - https://jitpack.io/com/github/frohoff/ysoserial/master-SNAPSHOT/maven-metadata.xml
       - https://jitpack.io/com/github/frohoff/ysoserial/master-SNAPSHOT/ysoserial-master-2874a69f61-1.pom
       - https://jitpack.io/com/github/frohoff/ysoserial/master-SNAPSHOT/ysoserial-master-2874a69f61-1.jar
       - https://repo.spring.io/plugins-release/com/github/frohoff/ysoserial/master-SNAPSHOT/maven-metadata.xml
       - https://repo.spring.io/plugins-release/com/github/frohoff/ysoserial/master-SNAPSHOT/ysoserial-master-SNAPSHOT.pom
       - https://repo.spring.io/plugins-release/com/github/frohoff/ysoserial/master-SNAPSHOT/ysoserial-master-SNAPSHOT.jar
       - https://repo.jenkins-ci.org/public/com/github/frohoff/ysoserial/master-SNAPSHOT/maven-metadata.xml
       - https://repo.jenkins-ci.org/public/com/github/frohoff/ysoserial/master-SNAPSHOT/ysoserial-master-SNAPSHOT.pom
       - https://repo.jenkins-ci.org/public/com/github/frohoff/ysoserial/master-SNAPSHOT/ysoserial-master-SNAPSHOT.jar
     Required by:
         project :

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

BUILD FAILED in 8s

Additional context

$ /usr/lib/jvm/java-8-openjdk-amd64/bin/java -version
openjdk version "1.8.0_342"
OpenJDK Runtime Environment (build 1.8.0_342-8u342-b07-0ubuntu1~20.04-b07)
OpenJDK 64-Bit Server VM (build 25.342-b07, mixed mode)