End groovy files with newline (#7127)

conventions/src/main/kotlin/otel.spotless-conventions.gradle.kts

@@ -14,6 +14,7 @@ spotless {
   plugins.withId("groovy") {
     groovy {
       licenseHeaderFile(rootProject.file("buildscripts/spotless.license.java"), "(package|import|class)")
+      endWithNewline()
     }
   }
   plugins.withId("scala") {

instrumentation/apache-camel-2.20/javaagent/src/test/groovy/io/opentelemetry/javaagent/instrumentation/apachecamel/aws/SnsCamelTest.groovy

@@ -132,4 +132,3 @@ class SnsCamelTest extends AgentInstrumentationSpecification {
     clearExportedData()
   }
 }
-

instrumentation/async-http-client/async-http-client-1.9/javaagent/src/test/groovy/AsyncHttpClientTest.groovy

@@ -70,5 +70,3 @@ class AsyncHttpClientTest extends HttpClientTest<Request> implements AgentTestTr
     return null
   }
 }
-
-

instrumentation/hibernate/hibernate-3.3/javaagent/src/test/groovy/SessionTest.groovy

@@ -610,4 +610,3 @@ class SessionTest extends AbstractHibernateTest {
     sessionId1 != sessionId2 != sessionId3
   }
 }
-

instrumentation/hibernate/hibernate-4.0/javaagent/src/test/groovy/SessionTest.groovy

@@ -603,4 +603,3 @@ class SessionTest extends AbstractHibernateTest {
     sessionId1 != sessionId2 != sessionId3
   }
 }
-

instrumentation/hibernate/hibernate-procedure-call-4.3/javaagent/src/test/groovy/ProcedureCallTest.groovy

@@ -184,4 +184,3 @@ class ProcedureCallTest extends AgentInstrumentationSpecification {
     }
   }
 }
-

instrumentation/jdbc/library/src/test/groovy/io/opentelemetry/instrumentation/jdbc/datasource/TestDataSource.groovy

@@ -61,4 +61,3 @@ class TestDataSource implements DataSource {
   }
 
 }
-

instrumentation/kafka/kafka-clients/kafka-clients-2.6/library/src/test/groovy/io/opentelemetry/instrumentation/kafkaclients/InterceptorsTest.groovy

@@ -100,4 +100,3 @@ class InterceptorsTest extends KafkaClientBaseTest implements LibraryTestTrait {
     }
   }
 }
-

instrumentation/kafka/kafka-clients/kafka-clients-2.6/library/src/test/groovy/io/opentelemetry/instrumentation/kafkaclients/WrappersTest.groovy

@@ -107,4 +107,3 @@ class WrappersTest extends KafkaClientBaseTest implements LibraryTestTrait {
     testHeaders << [false, true]
   }
 }
-

instrumentation/redisson/redisson-common/testing/src/main/groovy/AbstractRedissonAsyncClientTest.groovy

@@ -152,4 +152,3 @@ abstract class AbstractRedissonAsyncClientTest extends AgentInstrumentationSpeci
     }
   }
 }
-

instrumentation/redisson/redisson-common/testing/src/main/groovy/AbstractRedissonClientTest.groovy

@@ -315,4 +315,3 @@ abstract class AbstractRedissonClientTest extends AgentInstrumentationSpecificat
     }
   }
 }
-

instrumentation/spring/spring-webmvc-3.1/javaagent/src/test/groovy/test/boot/SecurityConfig.groovy

@@ -58,4 +58,3 @@ class SecurityConfig {
     }
   }
 }
-

smoke-tests/src/test/groovy/io/opentelemetry/smoketest/SdkDisabledSmokeTest.groovy

@@ -57,4 +57,3 @@ class SdkDisabledSmokeTest extends SmokeTest {
     jdk << [8, 11, 17]
   }
 }
-

testing-common/integration-tests/src/test/groovy/context/FieldBackedImplementationTest.groovy

@@ -224,5 +224,3 @@ class FieldBackedImplementationTest extends AgentInstrumentationSpecification {
     new UntransformableKeyClass().incrementContextCount() == 1
   }
 }
-
-