New Relic module fails on the module path

[shakuzen]

This is failing for me because:

Error occurred during initialization of boot layer
java.lang.module.FindException: Unable to derive module descriptor for /.../micrometer/implementations/micrometer-registry-new-relic/build/libs/micrometer-registry-new-relic-1.10.0-SNAPSHOT.jar
Caused by: java.lang.module.FindException: Automatic-Module-Name: micrometer.registry.new.relic: Invalid module name: 'new' is not a Java identifier

Originally posted by @jonatan-ivanov in #3411 (comment)

[shakuzen]

We should change the Automatic-Module-Name entry in the MANIFEST.MF file from micrometer.registry.new.relic to micrometer.registry.newrelic. This would be a breaking change, but no one has ever been able to use the old automatic module name due to the above mentioned error.