Fix compilation error: Convert Set to List for getScalarList() default value

Author: trask

instrumentation/aws-lambda/aws-lambda-events-common-2.2/library/src/main/java/io/opentelemetry/instrumentation/awslambdaevents/common/v2_2/internal/AwsLambdaEventsInstrumenterFactory.java

@@ -17,6 +17,7 @@
 import io.opentelemetry.instrumentation.awslambdacore.v1_0.AwsLambdaRequest;
 import io.opentelemetry.instrumentation.awslambdacore.v1_0.internal.AwsLambdaFunctionAttributesExtractor;
 import io.opentelemetry.instrumentation.awslambdacore.v1_0.internal.AwsLambdaFunctionInstrumenter;
+import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.Set;
 
@@ -81,7 +82,8 @@ private static final class Configuration {
 
       this.knownHttpMethods =
           new HashSet<>(
-              httpConfig.getScalarList("known_methods", String.class, HttpConstants.KNOWN_METHODS));
+              httpConfig.getScalarList(
+                  "known_methods", String.class, new ArrayList<>(HttpConstants.KNOWN_METHODS)));
     }
   }