community/pv: upgrade to 1.9.31

https://www.ivarch.com/programs/pv.shtml#news

community/pv/APKBUILD

 # Contributor: Fabian Affolter <fabian@affolter-engineering.ch>
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=pv
-pkgver=1.9.27
+pkgver=1.9.31
 pkgrel=0
 pkgdesc="CLI tool for monitoring the progress of data through a pipeline"
 url="https://www.ivarch.com/programs/pv.shtml"
@@ -34,5 +34,5 @@ package() {
 }
 
 sha512sums="
-04b66d4ce96f6570d8cb3441bb2e421f9a7767e75d716fac033d51947834a56dd226fc02820ea3b7ac4c8276fa69fed0335d9c103af29e64b38e59bf49f1fab7  pv-1.9.27.tar.gz
+63cdc6223cde4f3f0daf47b5808a3f72a9cfaf2c05751e971a99d9dd3df2f36430958213c023931f428c87341a5f6c1f3772f30ca992123ea4c2a2e48000ff1d  pv-1.9.31.tar.gz
 "