There's a merged pull request on the void-packages repository

arandr: replace inspect.getargspec() with inspect.getfullargspec()
https://github.com/void-linux/void-packages/pull/40404

Description:
#### Testing the changes
- I tested the changes in this PR: **YES**

#### Local build testing
- I built this PR locally for my native architecture, (x86_64-GLIBC)

This change should fix this error:
```
Traceback (most recent call last):
  File "/usr/bin/arandr", line 41, in <module>
    from screenlayout.gui import main
  File "/usr/lib/python3.11/site-packages/screenlayout/gui.py", line 76, in <module>
    class Application:
  File "/usr/lib/python3.11/site-packages/screenlayout/gui.py", line 185, in Application
    @actioncallback
     ^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/site-packages/screenlayout/gui.py", line 48, in actioncallback
    argnames = inspect.getargspec(function)[0]
               ^^^^^^^^^^^^^^^^^^
AttributeError: module 'inspect' has no attribute 'getargspec'. Did you mean: 'getargs'?
```