PEP440 non compliant

[bastien-roucaries]

Hi,

Debian patched usng this:

Author: Bastien Roucariès <rouca@debian.org>
Date:   Sun Nov 26 14:20:20 2023 +0000

    Use PEP440 versionning
    
    Forwarded: yes

diff --git a/requestbuilder/__init__.py b/requestbuilder/__init__.py
index 2b22260..d6c516d 100644
--- a/requestbuilder/__init__.py
+++ b/requestbuilder/__init__.py
@@ -18,7 +18,7 @@ import os.path
 import subprocess
 
 
-__version__ = 'devel'
+__version__ = '0.5.2'
 
 
 if '__file__' in globals():