3.11.5: Add missing patch

plugins/python-build/share/python-build/patches/3.11.15/Python-3.11.15/0001-Recognize-an-argument-to-j-in-MAKEFLAGS.patch

@@ -0,0 +1,27 @@
+From 3fec519d6b326918f39ceb142ef762042ce8365f Mon Sep 17 00:00:00 2001
+From: Ivan Pozdeev <vano@mail.mipt.ru>
+Date: Fri, 26 Dec 2025 13:39:21 +0300
+Subject: [PATCH] Recognize an argument to -j in MAKEFLAGS
+
+---
+ setup.py | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/setup.py b/setup.py
+index ad8fb81b218..5666deaf67b 100644
+--- a/setup.py
++++ b/setup.py
+@@ -307,8 +307,8 @@ def __init__(self, dist):
+         self.failed_on_import = []
+         self.missing = []
+         self.disabled_configure = []
+-        if '-j' in os.environ.get('MAKEFLAGS', ''):
+-            self.parallel = True
++        if (m:=re.search(r'(?:^|\s)(?:-j|--jobs)(?:\s+|=)?(\d*)',os.environ.get('MAKEFLAGS', ''))) is not None:
++            self.parallel = int(m.group(1)) if m.group(1) else True
+ 
+     def add(self, ext):
+         self.extensions.append(ext)
+-- 
+2.36.1.windows.1
+