[11.x] Fix 'pushProcessor method not found on LoggerInterface' error …

…(#52117)

* add Logger@pushProcessor()

* revert IDE style

* add check to LogManager instead

* move to closure

* remove unused import

* add test

* readability

* style

LogManager.php

@@ -136,9 +136,13 @@ protected function get($name, ?array $config = null)
     {
         try {
             return $this->channels[$name] ?? with($this->resolve($name, $config), function ($logger) use ($name) {
-                return $this->channels[$name] = tap($this->tap($name, new Logger($logger, $this->app['events']))
-                    ->withContext($this->sharedContext))
-                    ->pushProcessor(function ($record) {
+                $loggerWithContext = $this->tap(
+                    $name,
+                    new Logger($logger, $this->app['events'])
+                )->withContext($this->sharedContext);
+
+                if (method_exists($loggerWithContext->getLogger(), 'pushProcessor')) {
+                    $loggerWithContext->pushProcessor(function ($record) {
                         if (! $this->app->bound(ContextRepository::class)) {
                             return $record;
                         }
@@ -148,6 +152,9 @@ protected function get($name, ?array $config = null)
                             ...$this->app[ContextRepository::class]->all(),
                         ]);
                     });
+                }
+
+                return $this->channels[$name] = $loggerWithContext;
             });
         } catch (Throwable $e) {
             return tap($this->createEmergencyLogger(), function ($logger) use ($e) {