springdoc.cache is not part of additional-spring-configuration-metadata.json. Fixes #592

Author: bnasslahsen

springdoc-openapi-common/src/main/java/org/springdoc/core/SpringDocConfigProperties.java

@@ -135,6 +135,8 @@ public void setPathsToMatch(List<String> pathsToMatch) {
 		this.pathsToMatch = pathsToMatch;
 	}
 
+	public Cache getCache() { return cache; }
+
 	public void setCache(Cache cache) {
 		this.cache = cache;
 	}