testing/cilium-cli: upgrade to 0.12.12

Ref: https://github.com/cilium/cilium-cli/releases/tag/v0.12.12

testing/cilium-cli/APKBUILD

 # Maintainer: Hoang Nguyen <folliekazetani@protonmail.com>
 pkgname=cilium-cli
-pkgver=0.12.11
-pkgrel=1
+pkgver=0.12.12
+pkgrel=0
 pkgdesc="CLI to install, manage and troubleshoot Kubernetes clusters running Cilium"
 url="https://cilium.io/"
 arch="all"
@@ -46,5 +46,5 @@ package() {
 }
 
 sha512sums="
-cdc14d4b125d2856f7ccc7875cad101080d36695ef9543b407f280aed246a40e04327bd8caa1847e1d5a171c9b13a88f20cb3a6301cdc54feadbe4b12edddf2e  cilium-cli-0.12.11.tar.gz
+26ac4575d5a31b45db9be364e1521b10d36af0f28917fabc9c2b042029b281c8c684142105d652bde9e32e8846694e9db9acc892c4284633d27ae7bf678ba22b  cilium-cli-0.12.12.tar.gz
 "