Explicitly set the java toolchain and release version

Author: adwsingh

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ jobs:
             - name: Set up JDK
               uses: actions/setup-java@v5
               with:
-                  java-version: '17'
+                  java-version: '25'
                   distribution: 'corretto'
 
             - name: Setup Gradle

buildSrc/src/main/kotlin/api-models-aws.model-conventions.gradle.kts

@@ -43,6 +43,16 @@ sourceSets {
     }
 }
 
+java {
+    toolchain {
+        languageVersion.set(JavaLanguageVersion.of(25))
+    }
+}
+
+tasks.withType<JavaCompile> {
+    options.release.set(8)
+}
+
 tasks {
     build {
         mustRunAfter(clean)