Close database connections in housekeeping tasks

Co-authored-by: ferencmarkizay <ferencmarkizay@gmail.com>

src/NzbDrone.Core/Housekeeping/Housekeepers/CleanupDownloadClientUnavailablePendingReleases.cs

@@ -16,16 +16,15 @@ namespace NzbDrone.Core.Housekeeping.Housekeepers
 
         public void Clean()
         {
-            var mapper = _database.OpenConnection();
-
+            using var mapper = _database.OpenConnection();
             mapper.Execute(@"DELETE FROM PendingReleases
                             WHERE Added < @TwoWeeksAgo
                             AND REASON IN @Reasons",
-                          new
-                          {
-                              TwoWeeksAgo = DateTime.UtcNow.AddDays(-14),
-                              Reasons = new[] { (int)PendingReleaseReason.DownloadClientUnavailable, (int)PendingReleaseReason.Fallback }
-                          });
+                new
+                {
+                    TwoWeeksAgo = DateTime.UtcNow.AddDays(-14),
+                    Reasons = new[] { (int)PendingReleaseReason.DownloadClientUnavailable, (int)PendingReleaseReason.Fallback }
+                });
         }
     }
 }

src/NzbDrone.Core/Housekeeping/Housekeepers/CleanupOrphanedDownloadClientStatus.cs

@@ -14,14 +14,13 @@ namespace NzbDrone.Core.Housekeeping.Housekeepers
 
         public void Clean()
         {
-            var mapper = _database.OpenConnection();
-
+            using var mapper = _database.OpenConnection();
             mapper.Execute(@"DELETE FROM DownloadClientStatus
-                                     WHERE Id IN (
-                                     SELECT DownloadClientStatus.Id FROM DownloadClientStatus
-                                     LEFT OUTER JOIN DownloadClients
-                                     ON DownloadClientStatus.ProviderId = DownloadClients.Id
-                                     WHERE DownloadClients.Id IS NULL)");
+                             WHERE Id IN (
+                             SELECT DownloadClientStatus.Id FROM DownloadClientStatus
+                             LEFT OUTER JOIN DownloadClients
+                             ON DownloadClientStatus.ProviderId = DownloadClients.Id
+                             WHERE DownloadClients.Id IS NULL)");
         }
     }
 }