Bump up caffeine dependencies (#549)

Signed-off-by: Mariano Gonzalez <[email protected]>

Author: Mariano Gonzalez

simpleclient_caffeine/pom.xml

@@ -42,7 +42,7 @@
         <dependency>
             <groupId>com.github.ben-manes.caffeine</groupId>
             <artifactId>caffeine</artifactId>
-            <version>2.3.0</version>
+            <version>2.7.0</version>
         </dependency>
 
 

simpleclient_caffeine/src/main/java/io/prometheus/client/cache/caffeine/CacheMetricsCollector.java

@@ -1,6 +1,6 @@
 package io.prometheus.client.cache.caffeine;
 
-import com.github.benmanes.caffeine.cache.AsyncLoadingCache;
+import com.github.benmanes.caffeine.cache.AsyncCache;
 import com.github.benmanes.caffeine.cache.Cache;
 import com.github.benmanes.caffeine.cache.LoadingCache;
 import com.github.benmanes.caffeine.cache.stats.CacheStats;
@@ -72,7 +72,7 @@ public void addCache(String cacheName, Cache cache) {
      * @param cacheName The name of the cache, will be the metrics label value
      * @param cache The cache being monitored
      */
-    public void addCache(String cacheName, AsyncLoadingCache cache) {
+    public void addCache(String cacheName, AsyncCache cache) {
         children.put(cacheName, cache.synchronous());
     }