Allow mutability to be a dynamic property

Author: EricWittmann

app/src/main/resources/application.properties

@@ -125,6 +125,7 @@ apicurio.download.href.ttl.seconds.dynamic.allow=${apicurio.config.dynamic.allow
 apicurio.rest.deletion.group.enabled.dynamic.allow=${apicurio.config.dynamic.allow-all}
 apicurio.rest.deletion.artifact.enabled.dynamic.allow=${apicurio.config.dynamic.allow-all}
 apicurio.rest.deletion.artifact-version.enabled.dynamic.allow=${apicurio.config.dynamic.allow-all}
+apicurio.rest.mutability.artifact-version-content.enabled.dynamic.allow=${apicurio.config.dynamic.allow-all}
 apicurio.semver.validation.enabled.dynamic.allow=${apicurio.config.dynamic.allow-all}
 apicurio.semver.branching.enabled.dynamic.allow=${apicurio.config.dynamic.allow-all}
 apicurio.semver.branching.coerce.dynamic.allow=${apicurio.config.dynamic.allow-all}