Update Graal reachability metadata to fix Nexus in time skipping test server (#2759)

Update reachability-metadata.json

Author: Quinn-With-Two-Ns

temporal-test-server/build.gradle

@@ -107,7 +107,7 @@ if (project.hasProperty("nativeBuild")) {
             defaultMode = "standard"
             metadataCopy {
                 outputDirectories.add("src/main/resources/META-INF/native-image/io.temporal/temporal-test-server")
-                mergeWithExisting = false
+                mergeWithExisting = true
             }
 
         }

temporal-test-server/src/main/resources/META-INF/native-image/io.temporal/temporal-test-server/jni-config.json

@@ -19,11 +19,6 @@
 #
 
 Args = -H:+UnlockExperimentalVMOptions \
-  -H:DynamicProxyConfigurationResources=${.}/proxy-config.json \
-  -H:JNIConfigurationResources=${.}/jni-config.json \
-  -H:ReflectionConfigurationResources=${.}/reflect-config.json \
-  -H:ResourceConfigurationResources=${.}/resource-config.json \
-  -H:SerializationConfigurationResources=${.}/serialization-config.json \
   --initialize-at-build-time=org.slf4j.helpers.SubstituteLoggerFactory \
   --initialize-at-build-time=org.slf4j.helpers.NOPLoggerFactory