Upgrade mr.developer to 2.0.3.

This fixes a ModuleNotFoundError with setuptools 80.2 or higher, for the removed `package_index` module.
See fschulze/mr.developer#213

Author: mauritsvanrees

constraints.txt

@@ -44,7 +44,7 @@ idna==3.10
 imagesize==1.4.1
 importlib-metadata==8.6.1
 legacy-cgi==2.6.2
-mr.developer==2.0.2
+mr.developer==2.0.3
 multipart==1.2.1
 packaging==24.2
 persistent==6.1.1

versions.cfg

@@ -28,7 +28,7 @@ imagesize = 1.4.1
 importlib-metadata = 8.6.1
 # Required by zope.testbrowser on Python 3.13 because WebOb still uses cgi.
 legacy-cgi = 2.6.2
-mr.developer = 2.0.2
+mr.developer = 2.0.3
 packaging = 24.2
 plone.recipe.command = 1.1
 requests = 2.32.3