Merge branch 'PHP-8.0'

* PHP-8.0:
  SQLite3::query() cannot return null

Author: cmb69

ext/sqlite3/sqlite3.stub.php

@@ -53,7 +53,7 @@ public function prepare(string $query) {}
     /** @return bool */
     public function exec(string $query) {}
 
-    /** @return SQLite3Result|false|null */
+    /** @return SQLite3Result|false */
     public function query(string $query) {}
 
     /** @return mixed */

ext/sqlite3/sqlite3_arginfo.h

@@ -1,5 +1,5 @@
 /* This is a generated file, edit the .stub.php file instead.
- * Stub hash: 20d9cd75afa2a9b9d4eb6c8019e7c47d34778df4 */
+ * Stub hash: 61a684b6c221a15538a5f8cc32bc4e7d4cf3c8fd */
 
 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_SQLite3___construct, 0, 0, 1)
 	ZEND_ARG_TYPE_INFO(0, filename, IS_STRING, 0)