doc: Sync classref with current source

Fix incomplete binding.

core/os/input_event.cpp

@@ -112,7 +112,7 @@ void InputEvent::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("get_device"), &InputEvent::get_device);
 
 	ClassDB::bind_method(D_METHOD("is_action", "action"), &InputEvent::is_action);
-	ClassDB::bind_method(D_METHOD("is_action_pressed", "action"), &InputEvent::is_action_pressed, DEFVAL(false));
+	ClassDB::bind_method(D_METHOD("is_action_pressed", "action", "allow_echo"), &InputEvent::is_action_pressed, DEFVAL(false));
 	ClassDB::bind_method(D_METHOD("is_action_released", "action"), &InputEvent::is_action_released);
 	ClassDB::bind_method(D_METHOD("get_action_strength", "action"), &InputEvent::get_action_strength);
 

doc/classes/InputEvent.xml

@@ -51,8 +51,10 @@
 			</return>
 			<argument index="0" name="action" type="String">
 			</argument>
+			<argument index="1" name="allow_echo" type="bool" default="false">
+			</argument>
 			<description>
-				Returns [code]true[/code] if the given action is being pressed (and is not an echo event for [InputEventKey] events). Not relevant for events of type [InputEventMouseMotion] or [InputEventScreenDrag].
+				Returns [code]true[/code] if the given action is being pressed (and is not an echo event for [InputEventKey] events, unless [code]allow_echo[/code] is [code]true[/code]). Not relevant for events of type [InputEventMouseMotion] or [InputEventScreenDrag].
 			</description>
 		</method>
 		<method name="is_action_released" qualifiers="const">

doc/classes/ProjectSettings.xml

@@ -282,6 +282,9 @@
 		<member name="debug/gdscript/warnings/enable" type="bool" setter="" getter="" default="true">
 			If [code]true[/code], enables specific GDScript warnings (see [code]debug/gdscript/warnings/*[/code] settings). If [code]false[/code], disables all GDScript warnings.
 		</member>
+		<member name="debug/gdscript/warnings/exclude_addons" type="bool" setter="" getter="" default="true">
+			If [code]true[/code], scripts in the [code]res://addons[/code] folder will not generate warnings.
+		</member>
 		<member name="debug/gdscript/warnings/function_conflicts_constant" type="bool" setter="" getter="" default="true">
 			If [code]true[/code], enables warnings when a function is declared with the same name as a constant.
 		</member>