fix(config): Avoid error messages for restricted opcache API

Make changes recently added via #44230 match #8188 to avoid failures in restricted hosting environments.

Fixes #47562

Signed-off-by: Josh <[email protected]>

lib/private/Config.php

@@ -184,7 +184,7 @@ private function readData() {
 
 			// Invalidate opcache (only if the timestamp changed)
 			if (function_exists('opcache_invalidate')) {
-				opcache_invalidate($file, false);
+				@opcache_invalidate($file, false);
 			}
 
 			$filePointer = @fopen($file, 'r');