Bump com.github.twitch4j:twitch4j from 1.19.0 to 1.20.0

Bumps [com.github.twitch4j:twitch4j](https://github.com/twitch4j/twitch4j) from 1.19.0 to 1.20.0.
- [Release notes](https://github.com/twitch4j/twitch4j/releases)
- [Commits](twitch4j/twitch4j@v1.19.0...v1.20.0)

---
updated-dependencies:
- dependency-name: com.github.twitch4j:twitch4j
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

build.gradle

@@ -20,7 +20,7 @@ tasks.withType(JavaCompile).configureEach {
 dependencies {
     testImplementation platform('org.junit:junit-bom:5.9.1')
     testImplementation 'org.junit.jupiter:junit-jupiter'
-    implementation 'com.github.twitch4j:twitch4j:1.19.0'
+    implementation 'com.github.twitch4j:twitch4j:1.20.0'
     implementation 'org.xerial:sqlite-jdbc:3.45.2.0'
     implementation 'ch.qos.logback:logback-classic:1.4.14'
     implementation 'com.hexadevlabs:gpt4all-java-binding:1.1.5'