BE: Migrate to Java 25

Author: yeikel

api/Dockerfile

@@ -1,7 +1,8 @@
 # The tag is ignored when a sha is included but the reason to add it are:
 # 1. Self Documentation: It is difficult to find out what the expected tag is given a sha alone
 # 2. Helps dependabot during discovery of upgrades
-FROM azul/zulu-openjdk-alpine:21.0.8-jre-headless@sha256:48356cf1b81243b6e236509bb6ae281969fc0eade03f622220973a4e224cd768
+# We include the SHA to ensure image immutability
+FROM azul/zulu-openjdk-alpine:25.0.1-jre-headless@sha256:5499f0c1453d7e7111501b28b21f173b1ec88a48719b7d5b060b0e6461c315b3
 
 RUN apk add --no-cache \
     # snappy codec

build.gradle

@@ -8,8 +8,8 @@ subprojects {
         apply plugin: "java"
 
         java {
-            sourceCompatibility = JavaVersion.VERSION_21
-            targetCompatibility = JavaVersion.VERSION_21
+            sourceCompatibility = JavaVersion.VERSION_25
+            targetCompatibility = JavaVersion.VERSION_25
         }
     }
 

contract-typespec/build.gradle

@@ -5,8 +5,8 @@ plugins {
 
 
 java {
-    sourceCompatibility = JavaVersion.VERSION_21
-    targetCompatibility = JavaVersion.VERSION_21
+    sourceCompatibility = JavaVersion.VERSION_25
+    targetCompatibility = JavaVersion.VERSION_25
 }
 
 

gradle/libs.versions.toml

@@ -13,7 +13,7 @@ apache-commons-compress = '1.26.0'
 
 assertj = '3.25.3'
 avro = '1.11.4'
-byte-buddy = '1.14.19'
+byte-buddy = '1.18.1'
 confluent = '7.9.2'
 confluent-ccs = '7.9.0-ccs'