Update PHPStan

phpstan-src.neon.dist

@@ -1,15 +1,8 @@
 parameters:
-    level: 9
+    level: max
     paths:
         - bin/set-composer-conflicts.php
         - src
     ignoreErrors:
         - path: src/ErrorHandler/ResetServiceErrorHandler.php
           message: '#ResettableContainerInterface#'
-
-        - path: src/CpuCoreCounter.php
-          message: '#getNumberOfCpuCores\(\) should return#'
-
-        # https://github.com/phpstan/phpstan/issues/8222
-        - path: src/Process/SymfonyProcessLauncher.php
-          message: '#\$runningProcesses \(array<int<0, max>, .*>\) does not accept non-empty-array<int, .*>\.#'

src/Logger/Logger.php

@@ -60,7 +60,7 @@ public function logItemProcessingFailed(string $item, Throwable $throwable): voi
     public function logChildProcessStarted(int $index, int $pid, string $commandName): void;
 
     /**
-     * @param positive-int|0 $index Index of the process amoung the list of running processes.
+     * @param int $index Index of the process amoung the list of running processes.
      */
     public function logChildProcessFinished(int $index): void;
 

src/Process/CpuCoreCounter.php

@@ -22,6 +22,9 @@
  */
 final class CpuCoreCounter
 {
+    /**
+     * @var positive-int|null
+     */
     private static ?int $count = null;
 
     /**

src/Process/SymfonyProcessLauncher.php

@@ -63,7 +63,7 @@ final class SymfonyProcessLauncher implements ProcessLauncher
     private $processOutput;
 
     /**
-     * @var array<positive-int|0, Process>
+     * @var array<int, Process>
      */
     private array $runningProcesses = [];
 
@@ -211,8 +211,6 @@ private function freeTerminatedProcesses(): int
     }
 
     /**
-     * @param positive-int|0 $index
-     *
      * @return positive-int|0
      */
     private function freeProcess(int $index, Process $process): int