removing php 8 code

Author: weaverryan

src/GithubApi.php

@@ -142,7 +142,7 @@ public function getPullRequestForCommit(string $commit, string $repo): ?array
         $bestItem = null;
         foreach ($data['items'] as $item) {
             // make sure the PR referenced isn't from a different repository
-            if (!str_contains($item['html_url'], sprintf('%s/pull', $repositoryName))) {
+            if (false === strpos($item['html_url'], sprintf('%s/pull', $repositoryName))) {
                 continue;
             }
 

src/Update/RecipePatcher.php

@@ -59,7 +59,7 @@ public function applyPatch(RecipePatch $patch): bool
                 return true;
             }
 
-            if (str_contains($this->processExecutor->getErrorOutput(), 'with conflicts')) {
+            if (false === strpos($this->processExecutor->getErrorOutput(), 'with conflicts')) {
                 // successful with conflicts
                 return false;
             }