community/cxxopts: upgrade to 3.1.1

community/cxxopts/APKBUILD

 # Contributor: Jakub Jirutka <jakub@jirutka.cz>
 # Maintainer: Jakub Jirutka <jakub@jirutka.cz>
 pkgname=cxxopts
-pkgver=3.0.0
+pkgver=3.1.1
 pkgrel=0
 pkgdesc="Lightweight C++ command line option parser as a header only library"
 url="https://github.com/jarro2783/cxxopts"
@@ -31,5 +31,5 @@ package() {
 }
 
 sha512sums="
-239479a3b35ddef6fc380ac9371e1cf7e3aea066f03e1ea538151fa2fff4296838daa976d55e988d8f87f40c0ae027767bcb214754177499413af1081315565c  cxxopts-3.0.0.tar.gz
+248e54e23564660467c7ecf50676b86d3cd10ade89e0ac1d23deb71334cb89cc5eb50f624b385d5119a43ca68ff8b1c74af82dc699b5ccfae54d6dcad4fd9447  cxxopts-3.1.1.tar.gz
 "