Update GHA workflow to use jdk 21

Author: pbreault

.github/workflows/build.yml

@@ -6,11 +6,11 @@ jobs:
     steps:
       - name: Checkout Sources
         uses: actions/checkout@v4
-      - name: Setup JDK 17
+      - name: Setup JDK 21
         uses: actions/setup-java@v4
         with:
           distribution: temurin
-          java-version: 17
+          java-version: 21
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@v3
       - name: Build with Gradle

gradle.properties

@@ -17,5 +17,5 @@ kotlin.stdlib.default.dependency = false
 
 org.gradle.parallel=true
 org.gradle.caching=true
-org.gradle.jvmargs=-Xmx3072m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8 -Dkotlin.daemon.jvm.options\\="-Xmx3072M" -XX\\:+UseParallelGC -XX:ReservedCodeCacheSize=512m
+org.gradle.jvmargs=-Xmx4096m
 kotlin.code.style=official