Add missing static on JerseyInfrastructureConfiguration

Closes gh-26695

Author: snicoll

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/web/jersey/JerseySameManagementContextConfiguration.java

@@ -57,7 +57,7 @@ ResourceConfigCustomizer managementResourceConfigCustomizerAdapter(
 	@Configuration(proxyBeanMethods = false)
 	@Import(JerseyManagementContextConfiguration.class)
 	@ConditionalOnMissingBean(ResourceConfig.class)
-	class JerseyInfrastructureConfiguration {
+	static class JerseyInfrastructureConfiguration {
 
 		@Bean
 		@ConditionalOnMissingBean(JerseyApplicationPath.class)