Fix changelog-generator

Author: ondrejmirtes

changelog-generator/run.php

@@ -110,8 +110,8 @@ protected function execute(InputInterface $input, OutputInterface $output)
 }
 
 foreach ($commits as $commit) {
-$pullRequests = $searchApi->issues(sprintf('repo:phpstan/phpstan-src %s', $commit['hash']));
-$issues = $searchApi->issues(sprintf('repo:phpstan/phpstan %s', $commit['hash']), 'created');
+$pullRequests = $searchApi->issues(sprintf('repo:phpstan/phpstan-src %s is:pull-request', $commit['hash']));
+$issues = $searchApi->issues(sprintf('repo:phpstan/phpstan %s is:issue', $commit['hash']), 'created');
 $items = array_merge($pullRequests['items'], $issues['items']);
 $parenthesis = 'https://github.com/phpstan/phpstan-src/commit/' . $commit['hash'];
 $thanks = null;