Unskip mule versions for muzzle (#10661)

Unskip mule versions for muzzle

Co-authored-by: sarah.chen <sarah.chen@datadoghq.com>

Author: sarahchen6

dd-java-agent/instrumentation/mule-4.5/build.gradle

@@ -9,7 +9,6 @@ muzzle {
     group = 'org.mule.runtime'
     module = 'mule-core'
     versions = "[$muleVersion,)"
-    skipVersions = ['4.6.27', '4.9.1'] // missing transitive dependency
     javaVersion = "17"
     excludeDependency 'om.google.guava:guava'
     excludeDependency 'com.google.code.findbugs:jsr305'
@@ -19,7 +18,6 @@ muzzle {
     group = 'org.mule.runtime'
     module = 'mule-tracer-customization-impl'
     versions = "[$muleVersion,)"
-    skipVersions = ['4.6.27', '4.9.1'] // missing transitive dependency
     javaVersion = "17"
     excludeDependency 'om.google.guava:guava'
     excludeDependency 'com.google.code.findbugs:jsr305'