Improve the security update report

Now security updates do not stop the execution of the job. IN addition
to it, there won't be duplicates between composer audit and drupal pm
security

src/UpdaterCommand.php

@@ -469,14 +469,18 @@ protected function showPendingUpdates() {
 
       $this->output->writeln('');
       $this->printHeader2('Not Updated Securities (ALL):');
-      $this->output->writeln(
-        $this->runCommand('composer audit --locked')->getOutput()
-      );
+      $composer_audit_securities = trim($this->runCommand('composer audit --locked --format plain 2>&1 | grep ^Package | cut -f2 -d: | sort -u')->getOutput());
 
-      $this->output->writeln(
-        $this->runCommand('./vendor/bin/drush pm:security --fields=name --format=list 2>/dev/null')->getOutput(),
-      );
+      try {
+        $drupal_securities = trim($this->runCommand('./vendor/bin/drush pm:security --fields=name --format=list 2>/dev/null')->getOutput());
+      }
+      catch (ProcessFailedException $e) {
+        $drupal_securities = trim($e->getProcess()->getOutput());
+      }
 
+      $securities = implode("\n", array_unique(explode("\n", $drupal_securities)));
+      $this->output->writeln($securities);
+      $this->output->writeln("");
     }
   }