fix: speedup table reload by updating only changed statuses

it has been found that on big (>100) repos it starts lagging on reload.
This commit adds guard to avoid updating rows whose package statuses
were not changed

package/share/ahriman/templates/build-status/table.jinja2

@@ -87,7 +87,7 @@
                         };
                     });
 
-                updateTable(table, payload);
+                updateTable(table, payload, row => row.timestamp);
                 table.bootstrapTable("hideLoading");
             },
             onFailure,