Hook up the retryable tasks with hydra-notify

src/lib/Hydra/Schema/ResultSet/TaskRetries.pm

@@ -6,6 +6,7 @@ use utf8;
 use base 'DBIx::Class::ResultSet';
 use List::Util qw(max);
 use Hydra::Math qw(exponential_backoff);
+use Hydra::Task;
 
 =head2 get_seconds_to_next_retry
 

src/lib/Hydra/TaskDispatcher.pm

@@ -254,7 +254,7 @@ sub failure {
     my $event_labels = $self->prom_labels_for_task($task);
 
     if (defined($task->{"record"})) {
-        if ($task->{"record"}->{"attempts"} > 100) {
+        if ($task->{"record"}->attempts > 100) {
             $self->{"prometheus"}->inc("notify_plugin_drop", $event_labels);
             $task->{"record"}->delete();
         } else {