AZCopy download URL changed breaking toolbox build

AZCopy download URL

ARG AZCOPY_STATIC_URL="https://azcopyvnext.azureedge.net/releases/release-10.27.1-20241113/azcopy_linux_${TARGETARCH}_10.27.1.tar.gz"

is not valid anymore, resulting in job failures like: https://dev.gitlab.org/gitlab/charts/components/images/-/jobs/24750423

the only URLs offered by Microsoft for universal binaries are:

• https://aka.ms/downloadazcopy-v10-linux
• https://aka.ms/downloadazcopy-v10-linux-arm64