Update Cosmos API to 26.3.build.19-alpha and upgrade Gradle to 9.8.0

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-9.4.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.8.0-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME

plugin/build.gradle.kts

@@ -7,7 +7,7 @@ plugins {
 dependencies {
     // API
     implementation(project(":boosters-api"))
-    compileOnly("com.alttd.cosmos:cosmos-api:26.2.build.17-stable")
+    compileOnly("com.alttd.cosmos:cosmos-api:26.3.build.19-alpha")
     // MyPet
     compileOnly("de.keyle:mypet-api:4.0.1-SNAPSHOT")
     // mcMMO