Toolchain and gradle bump (Java 25+)

build.gradle.kts

@@ -12,7 +12,7 @@ subprojects {
 
     java {
         toolchain {
-            languageVersion.set(JavaLanguageVersion.of(21))
+            languageVersion.set(JavaLanguageVersion.of(25))
         }
     }
 

gradle/libs.versions.toml

@@ -7,7 +7,7 @@ netty = "4.2.15.Final"
 
 [plugins]
 fill = "io.papermc.fill.gradle:1.0.12"
-shadow = "com.gradleup.shadow:9.3.1"
+shadow = "com.gradleup.shadow:9.5.1"
 spotless = "com.diffplug.spotless:8.2.0"
 
 [libraries]

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-9.3.0-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.6.1-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME