Auto-configure JVM heap pressure metrics

See gh-27868

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/JvmMetricsAutoConfiguration.java

@@ -19,6 +19,7 @@ package org.springframework.boot.actuate.autoconfigure.metrics;
 import io.micrometer.core.instrument.MeterRegistry;
 import io.micrometer.core.instrument.binder.jvm.ClassLoaderMetrics;
 import io.micrometer.core.instrument.binder.jvm.JvmGcMetrics;
+import io.micrometer.core.instrument.binder.jvm.JvmHeapPressureMetrics;
 import io.micrometer.core.instrument.binder.jvm.JvmMemoryMetrics;
 import io.micrometer.core.instrument.binder.jvm.JvmThreadMetrics;
 
@@ -48,6 +49,12 @@ public class JvmMetricsAutoConfiguration {
 		return new JvmGcMetrics();
 	}
 
+	@Bean
+	@ConditionalOnMissingBean
+	public JvmHeapPressureMetrics jvmHeapPressureMetrics() {
+		return new JvmHeapPressureMetrics();
+	}
+
 	@Bean
 	@ConditionalOnMissingBean
 	public JvmMemoryMetrics jvmMemoryMetrics() {

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/metrics/JvmMetricsAutoConfigurationTests.java

@@ -18,6 +18,7 @@ package org.springframework.boot.actuate.autoconfigure.metrics;
 
 import io.micrometer.core.instrument.binder.jvm.ClassLoaderMetrics;
 import io.micrometer.core.instrument.binder.jvm.JvmGcMetrics;
+import io.micrometer.core.instrument.binder.jvm.JvmHeapPressureMetrics;
 import io.micrometer.core.instrument.binder.jvm.JvmMemoryMetrics;
 import io.micrometer.core.instrument.binder.jvm.JvmThreadMetrics;
 import org.junit.jupiter.api.Test;
@@ -74,7 +75,8 @@ class JvmMetricsAutoConfigurationTests {
 
 	private ContextConsumer<AssertableApplicationContext> assertMetricsBeans() {
 		return (context) -> assertThat(context).hasSingleBean(JvmGcMetrics.class).hasSingleBean(JvmMemoryMetrics.class)
-				.hasSingleBean(JvmThreadMetrics.class).hasSingleBean(ClassLoaderMetrics.class);
+				.hasSingleBean(JvmHeapPressureMetrics.class).hasSingleBean(JvmThreadMetrics.class)
+				.hasSingleBean(ClassLoaderMetrics.class);
 	}
 
 	@Configuration(proxyBeanMethods = false)