Rename New Relic automatic module to micrometer.registry.newrelic

The previous name converted from the artifact name of `micrometer.registry.new.relic` was not valid because `new` is a reserved word in Java, and therefore, it is invalid to use in a segment of a module name.

Closes gh-3412

implementations/micrometer-registry-new-relic/build.gradle

@@ -6,3 +6,8 @@ dependencies {
 
     testImplementation project(':micrometer-test')
 }
+
+jar {
+    // gh-3412 override our default name because 'new' is a reserved word
+    manifest.attributes.put('Automatic-Module-Name', 'micrometer.registry.newrelic')
+}