style: fix assert_return docblock grouping

Author: simPod

src/assert.php

@@ -9,11 +9,12 @@
 use function assert;
 
 /**
- * @template TValue
- *
  * @param TValue $value
  * @param callable(TValue):(bool|string) $assertionFn
+ *
  * @return TValue
+ *
+ * @template TValue
  */
 function assert_return(mixed $value, callable $assertionFn, Throwable|string|null $description = null): mixed
 {