Use Java 17

Author: sambsnyd

build.gradle.kts

@@ -124,7 +124,7 @@ dependencies {
     implementation("org.openrewrite:rewrite-java:$rewriteVersion")
     implementation("org.openrewrite:rewrite-maven:$rewriteVersion")
     runtimeOnly("com.fasterxml.jackson.core:jackson-core:2.12.+")
-    runtimeOnly("org.openrewrite:rewrite-java-11:$rewriteVersion")
+    runtimeOnly("org.openrewrite:rewrite-java-17:$rewriteVersion")
 
     compileOnly("org.projectlombok:lombok:latest.release")
     annotationProcessor("org.projectlombok:lombok:latest.release")
@@ -155,6 +155,12 @@ dependencies {
     "testWithMockito_3RuntimeOnly"("org.mockito:mockito-core:3.+")
 }
 
+java {
+    toolchain {
+        languageVersion.set(JavaLanguageVersion.of(17))
+    }
+}
+
 tasks.withType(KotlinCompile::class.java).configureEach {
     kotlinOptions {
         jvmTarget = "1.8"