chore(build, docs): Gradle auf 9.5.0 und Kotlin auf 2.3.21 aktualisiert

Signed-off-by: Stefan Mogeritsch <stefan.mo.co@gmail.com>

gradle/libs.versions.toml

@@ -7,7 +7,7 @@
 # === FRONTEND & KMP CORE ===
 # ==============================================================================
 # Kotlin & Tooling
-kotlin = "2.3.20"
+kotlin = "2.3.21"
 ksp = "2.3.4"
 
 # KotlinX (Core Libraries)
@@ -16,7 +16,7 @@ kotlinx-serialization-json = "1.9.0"
 kotlinx-datetime = "0.7.1"
 
 # UI: Compose Multiplatform
-# Aligned with Kotlin 2.3.20
+# Aligned with Kotlin 2.3.21
 composeMultiplatform = "1.10.3"
 composeHotReload = "1.0.0"
 materialIconsExtended = "1.7.3"

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-9.5.0-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME