opencv: rebuild for Python 3.12

srcpkgs/opencv/template

@@ -1,7 +1,7 @@
 # Template file for 'opencv'
 pkgname=opencv
 version=4.6.0
-revision=4
+revision=5
 create_wrksrc=yes
 build_wrksrc=${pkgname}-${version}
 build_style=cmake
@@ -12,7 +12,7 @@ configure_args="-DENABLE_PRECOMPILED_HEADERS=OFF -DWITH_OPENMP=ON
  -DOPENCV_EXTRA_MODULES_PATH=../../opencv_contrib-${version}/modules
  -DBUILD_opencv_wechat_qrcode=OFF -DBUILD_opencv_rgbd=OFF
  -DBUILD_TESTS=OFF -DBUILD_PERF_TESTS=OFF"
-hostmakedepends="pkg-config eigen python3-numpy"
+hostmakedepends="pkg-config eigen python3-numpy python3-setuptools"
 makedepends="ffmpeg-devel libpng-devel libjpeg-turbo-devel tiff-devel
  jasper-devel ocl-icd-devel libgomp-devel libopenexr-devel gtk+3-devel
  libgphoto2-devel gst-plugins-base1-devel openblas-devel