!17 Upgrade to texlive 2021

From: @misaka00251 
Reviewed-by: @small_leek 
Signed-off-by: @small_leek

texlive.spec

@@ -1,13 +1,13 @@
-%global tl_version 2018
+%global tl_version 2021
 %global _texdir %{_datadir}/%{name}
 %global __brp_mangle_shebangs /usr/bin/true
 
 Name:           texlive
 Version:        %{tl_version}
-Release:        25
-Epoch:          8
+Release:        1
+Epoch:          9
 Summary:        TeX formatting system
-License:        Artistic 2.0 and GPLv2 and GPLv2+ and LGPLv2+ and LPPL and MIT and Public Domain and UCD and Utopia
+License:        Artistic 2.0 and GPLv2 and GPLv2+ and LGPLv2+ and LPPL-1.2 and MIT and Public Domain and UCD and Utopia
 URL:            http://tug.org/texlive/
 Requires:       texlive-scheme-basic, texlive-collection-latexrecommended
 Requires:       texlive-obsolete, tex-kpathsea, tex-tetex
@@ -46,6 +46,9 @@ as well as the documentation for the included software packages.
 %exclude %{_texdir}/texmf-dist/source
 
 %changelog
+* Sun Apr 24 2022 misaka00251 <liuxin@iscas.ac.cn> - 9:2021-1
+- Upgrade texlive version to 2021
+
 * Wed May 19 2021 maminjie <maminjie1@huawei.com> - 8:2018-25
 - split texlive to texlive-filesystem, texlive-split-{a~z}