Work around Micrometer JvmGcMetrics introspection failure

Closes gh-23998

spring-boot-tests/spring-boot-deployment-tests/src/main/webapp/WEB-INF/jboss-deployment-structure.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<jboss-deployment-structure xmlns="urn:jboss:deployment-structure:1.2">
+    <deployment>
+        <dependencies>
+            <system>
+                <paths>
+                    <path name="com/sun/management"/>
+                </paths>
+            </system>
+        </dependencies>
+    </deployment>
+</jboss-deployment-structure>
\ No newline at end of file