[tests] phpstan version bump

core/polyfills.php

@@ -659,6 +659,7 @@ function validate_input(array $inputs): array
             }
             $outputs[$key] = $id;
         } elseif (in_array('user_name', $flags)) {
+            // @phpstan-ignore-next-line - phpstan thinks $value can never be empty?
             if (strlen($value) < 1) {
                 throw new InvalidInput("Username must be at least 1 character");
             } elseif (!preg_match('/^[a-zA-Z0-9-_]+$/', $value)) {

core/testcase.php

@@ -67,6 +67,7 @@ if(class_exists("\\PHPUnit\\Framework\\TestCase")) {
             if (is_null(User::by_name($name))) {
                 $userPage = new UserPage();
                 $userPage->onUserCreation(new UserCreationEvent($name, $name, $name, "$name@$name.com", false));
+                // @phpstan-ignore-next-line - ???
                 assert(!is_null(User::by_name($name)), "Creation of user $name failed");
             }
         }

core/util.php

@@ -151,6 +151,7 @@ function check_im_version(): int
 function is_trusted_proxy(): bool
 {
     $ra = $_SERVER['REMOTE_ADDR'] ?? "0.0.0.0";
+    // @phpstan-ignore-next-line - TRUSTED_PROXIES is defined in config
     foreach(TRUSTED_PROXIES as $proxy) {
         if(ip_in_range($ra, $proxy)) {
             return true;
@@ -615,6 +616,7 @@ function _set_up_shimmie_environment(): void
     // The trace system has a certain amount of memory consumption every time it is used,
     // so to prevent running out of memory during complex operations code that uses it should
     // check if tracer output is enabled before making use of it.
+    // @phpstan-ignore-next-line - TRACE_FILE is defined in config
     $tracer_enabled = !is_null('TRACE_FILE');
 }