Setting following property should disable all the metrics -

management.metrics.enable.all=false

Based on

• https://bootcamptoprod.com/spring-boot-3-disable-metrics/#how-to-disable-all-metrics
• https://github.com/spring-projects/spring-boot/blob/main/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/PropertiesMeterFilter.java#L128
• Spring Boot Actuator/Micrometer Metrics Disable Some