chore: jdk 8 => jdk 11

Author: eduarddrenth

examples/osgi/pom.xml

@@ -17,8 +17,8 @@
     <graphql.java.servlet.version>11.0.0-SNAPSHOT</graphql.java.servlet.version>
     <graphql.java.version>16.1</graphql.java.version>
     <karaf.version>4.2.10</karaf.version>
-    <maven.compiler.source>1.8</maven.compiler.source>
-    <maven.compiler.target>1.8</maven.compiler.target>
+u    <maven.compiler.source>11</maven.compiler.source>
+    <maven.compiler.target>11</maven.compiler.target>
   </properties>
 
   <version>10.1.0</version>

gradle.properties

@@ -11,5 +11,5 @@ LIB_GRAPHQL_JAVA_VER=19.2
 LIB_JACKSON_VER=2.13.4
 LIB_SLF4J_VER=2.0.2
 LIB_LOMBOK_VER=1.18.24
-SOURCE_COMPATIBILITY=1.8
-TARGET_COMPATIBILITY=1.8
+SOURCE_COMPATIBILITY=11
+TARGET_COMPATIBILITY=11

graphql-java-servlet/build.gradle

@@ -33,7 +33,7 @@ dependencies {
 
     // Unit testing
     testImplementation "org.apache.groovy:groovy-all:4.0.6"
-    testImplementation "org.spockframework:spock-core:2.1-groovy-3.0"
+    testImplementation "org.spockframework:spock-core:2.3-groovy-4.0"
     testRuntimeOnly "cglib:cglib-nodep:3.3.0"
     testRuntimeOnly "org.objenesis:objenesis:3.3"
     testImplementation "org.slf4j:slf4j-simple:$LIB_SLF4J_VER"