testing/rattler-build: upgrade to 0.16.0

testing/rattler-build/APKBUILD

 # Contributor: Orhun Parmaksız <orhunparmaksiz@gmail.com>
 # Maintainer: Orhun Parmaksız <orhunparmaksiz@gmail.com>
 pkgname=rattler-build
-pkgver=0.15.0
+pkgver=0.16.0
 pkgrel=0
 pkgdesc="A fast conda-package builder"
 url="https://github.com/prefix-dev/rattler-build"
@@ -57,5 +57,5 @@ package() {
 }
 
 sha512sums="
-833d28c61390e2d688f523615399eada3ac470a3261718b96bebd167792ad73d00dfe1d51d6860a44d086d9b191b1f0b4b8ff05535bb424276aa2d35c67c9d33  rattler-build-0.15.0.tar.gz
+925dc67954aa6cedda9bc4c7a04e4cebd7749a25224dc80ec911db327e22ee5ac8430f7c1ab064413ccccd34bc313c76a85802de2d3c700297474c9499b83687  rattler-build-0.16.0.tar.gz
 "