Release v0.3.0

What's Changed

• Move the minimum Java version from 22 to 23

Using in Maven

<dependency>
    <groupId>com.ginsberg</groupId>
    <artifactId>gatherers4j</artifactId>
    <version>0.3.0</version>
</dependency>

Using in Gradle

implementation("com.ginsberg:gatherers4j:0.3.0")