fix: remove additional supplier invoke on APQ after caching entries (#2073)

### 📝 Description
Fixes duplicate call of supplier on APQ caching.

### 🔗 Related Issues
#2072

Author: malaquf

executions/graphql-kotlin-automatic-persisted-queries/src/main/kotlin/com/expediagroup/graphql/apq/cache/DefaultAutomaticPersistedQueriesCache.kt

@@ -35,6 +35,6 @@ class DefaultAutomaticPersistedQueriesCache : AutomaticPersistedQueriesCache {
         } ?: run {
             val entry = supplier.invoke()
             cache[key] = entry
-            CompletableFuture.completedFuture(supplier.invoke())
+            CompletableFuture.completedFuture(entry)
         }
 }