Auto-DevOps.gitlab-ci.yml: Update glibc package signing key URL

Vendored in from https://gitlab.com/gitlab-org/gitlab-ci-yml/merge_requests/185

Thanks @sgerrand

changelogs/unreleased/50257-fix-auto-devops-glibc-pubkey-url.yml

+---
+title: 'Auto-DevOps.gitlab-ci.yml: Update glibc package signing key URL'
+merge_request: 21182
+author: sgerrand
+type: fixed

vendor/gitlab-ci-yml/Auto-DevOps.gitlab-ci.yml

@@ -641,7 +641,7 @@ rollout 100%:
 
   function install_dependencies() {
     apk add -U openssl curl tar gzip bash ca-certificates git
-    wget -q -O /etc/apk/keys/sgerrand.rsa.pub https://raw.githubusercontent.com/sgerrand/alpine-pkg-glibc/master/sgerrand.rsa.pub
+    wget -q -O /etc/apk/keys/sgerrand.rsa.pub https://alpine-pkgs.sgerrand.com/sgerrand.rsa.pub
     wget https://github.com/sgerrand/alpine-pkg-glibc/releases/download/2.23-r3/glibc-2.23-r3.apk
     apk add glibc-2.23-r3.apk
     rm glibc-2.23-r3.apk