Make compatible with PHP 8.2 (#4)

* Make compatible with PHP 8.2

* Enable GitHub actions for Pull Requests

Author: ruudk

.github/workflows/ci.yaml

@@ -3,6 +3,7 @@ name: CI
 on:
     push:
         branches: [ main ]
+    pull_request:
 
 concurrency:
     group: ${{ github.workflow }}-${{ github.ref }}

src/TicketSwapErrorFormatter.php

@@ -4,7 +4,6 @@
 
 namespace TicketSwap\PHPstanErrorFormatter;
 
-use Override;
 use PHPStan\Command\AnalysisResult;
 use PHPStan\Command\ErrorFormatter\CiDetectedErrorFormatter;
 use PHPStan\Command\ErrorFormatter\ErrorFormatter;
@@ -13,12 +12,12 @@
 
 final readonly class TicketSwapErrorFormatter implements ErrorFormatter
 {
-    private const string FORMAT = "{message}\n{links}";
-    private const string LINK_FORMAT_DEFAULT = "↳ <href={editorUrl}>{shortPath}:{line}</>\n";
-    private const string LINK_FORMAT_GITHUB_ACTIONS = "↳ {relativePath}:{line}\n";
-    private const string LINK_FORMAT_WARP = "↳ {relativePath}:{line}\n";
-    private const string LINK_FORMAT_PHPSTORM = "↳ file://{absolutePath}:{line}\n";
-    private const string LINK_FORMAT_WITHOUT_EDITOR = "↳ {relativePath}:{line}\n";
+    private const FORMAT = "{message}\n{links}";
+    private const LINK_FORMAT_DEFAULT = "↳ <href={editorUrl}>{shortPath}:{line}</>\n";
+    private const LINK_FORMAT_GITHUB_ACTIONS = "↳ {relativePath}:{line}\n";
+    private const LINK_FORMAT_WARP = "↳ {relativePath}:{line}\n";
+    private const LINK_FORMAT_PHPSTORM = "↳ file://{absolutePath}:{line}\n";
+    private const LINK_FORMAT_WITHOUT_EDITOR = "↳ {relativePath}:{line}\n";
 
     private string $linkFormat;
 
@@ -40,7 +39,6 @@ public static function getLinkFormatFromEnv() : string
         };
     }
 
-    #[Override]
     public function formatErrors(AnalysisResult $analysisResult, Output $output) : int
     {
         if (! $analysisResult->hasErrors()) {