google-auth: add patch for cachetools 6.x compatibility

See <af18060d52>.

mingw-w64-python-google-auth/PKGBUILD

@@ -4,7 +4,7 @@ _realname=google-auth
 pkgbase=mingw-w64-python-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-python-${_realname}")
 pkgver=2.40.3
-pkgrel=1
+pkgrel=2
 pkgdesc='Google Authentication Library (mingw-w64)'
 arch=('any')
 mingw_arch=('mingw64' 'ucrt64' 'clang64' 'clangarm64')
@@ -35,8 +35,26 @@ checkdepends=("${MINGW_PACKAGE_PREFIX}-python-flask"
 makedepends=("${MINGW_PACKAGE_PREFIX}-python-build"
              "${MINGW_PACKAGE_PREFIX}-python-installer"
              "${MINGW_PACKAGE_PREFIX}-python-setuptools")
-source=("https://pypi.org/packages/source/${_realname::1}/${_realname/-/_}/${_realname/-/_}-${pkgver}.tar.gz")
-sha256sums=('500c3a29adedeb36ea9cf24b8d10858e152f2412e3ca37829b3fa18e33d63b77')
+source=("https://pypi.org/packages/source/${_realname::1}/${_realname/-/_}/${_realname/-/_}-${pkgver}.tar.gz"
+        af18060d521baf86c219d66a26631decb3b28e79.patch)
+sha256sums=('500c3a29adedeb36ea9cf24b8d10858e152f2412e3ca37829b3fa18e33d63b77'
+            '33a4c06fa0e765e3639f4b037231b9d19dc1ebc973cfc6b6e52e9c3e101f97ab')
+
+# Helper macros to help make tasks easier #
+apply_patch_with_msg() {
+  for _patch in "$@"
+  do
+    msg2 "Applying $_patch"
+    patch -Nbp1 -i "${srcdir}/$_patch"
+  done
+}
+# =========================================== #
+
+prepare() {
+  cd "${srcdir}"/"${_realname/-/_}-${pkgver}"
+  apply_patch_with_msg \
+    af18060d521baf86c219d66a26631decb3b28e79.patch
+}
 
 build() {
   cp -r "${_realname/-/_}-${pkgver}" "python-build-${MSYSTEM}" && cd "python-build-${MSYSTEM}"

mingw-w64-python-google-auth/af18060d521baf86c219d66a26631decb3b28e79.patch

@@ -0,0 +1,22 @@
+From af18060d521baf86c219d66a26631decb3b28e79 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Yannick=20P=C3=89ROUX?= <yannick.peroux@gmail.com>
+Date: Tue, 15 Jul 2025 19:36:55 +0200
+Subject: [PATCH] feat: add support for cachetools 6.0 (#1773)
+
+---
+ setup.py | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/setup.py b/setup.py
+index 3874354fd..20f79ce66 100644
+--- a/setup.py
++++ b/setup.py
+@@ -20,7 +20,7 @@
+ 
+ 
+ DEPENDENCIES = (
+-    "cachetools>=2.0.0,<6.0",
++    "cachetools>=2.0.0,<7.0",
+     "pyasn1-modules>=0.2.1",
+     # rsa==4.5 is the last version to support 2.7
+     # https://github.com/sybrenstuvel/python-rsa/issues/152#issuecomment-643470233