Bug fix: async cache protocol handler incorrectly updates the actual cache entry in the cache execution context upon cache entry re-validation

Author: ok2c

httpclient5-cache/src/main/java/org/apache/hc/client5/http/impl/cache/AsyncCachingExec.java

@@ -877,7 +877,7 @@ void triggerUpdatedCacheEntryResponse(final HttpResponse backendResponse, final
                             public void completed(final CacheHit updated) {
                                 try {
                                     final SimpleHttpResponse cacheResponse = generateCachedResponse(request, updated.entry, responseDate);
-                                    context.setCacheEntry(hit.entry);
+                                    context.setCacheEntry(updated.entry);
                                     triggerResponse(cacheResponse, scope, asyncExecCallback);
                                 } catch (final ResourceIOException ex) {
                                     asyncExecCallback.failed(ex);