!11 update pycairo version to 1.21.0

From: @yangl777 
Reviewed-by: @t_feng 
Signed-off-by: @t_feng

pycairo.spec

@@ -1,12 +1,12 @@
 Name:             pycairo
-Version:          1.20.0
-Release:          2
+Version:          1.21.0
+Release:          1
 Summary:          A python module providing bindings for the cairo graphics library
 License:          MPLv1.1 or LGPLv2
 URL:              https://cairographics.org/pycairo
 Source0:          https://github.com/pygobject/pycairo/releases/download/v%{version}/pycairo-%{version}.tar.gz
 
-BuildRequires:    cairo-devel gcc pkgconfig python3-devel python3-pytest
+BuildRequires:    pkgconfig(cairo) gcc python3-devel python3-pytest python3-setuptools
 
 %description
 Pycairo is a Python module providing bindings for the cairo graphics library.
@@ -44,6 +44,7 @@ in order to interoperate with py3cairo.
 %files -n python3-cairo
 %defattr(-,root,root)
 %license COPYING*
+%doc README.rst
 %{python3_sitearch}/cairo/*
 %{python3_sitearch}/pycairo*.egg-info/*
 
@@ -53,6 +54,12 @@ in order to interoperate with py3cairo.
 %{_libdir}/pkgconfig/py*.pc     
 
 %changelog
+* Mon Oct 24 2022 yanglu <yanglu72@h-partners> - 1.21.0-1
+- Type:requirements
+- Id:NA
+- SUG:NA
+- DESC:update pycairo version to 1.21.0
+
 * Thu Jul 21 2022 jinzhiguang <jinzhiguang@kylinos.cn> - 1.20.0-2
 - Type:requirements
 - Id:NA