deps: bump github.com/Azure/azure-container-networking from 1.5.21 to 1.6.16 in /azure-ipam#3212

dependabot[bot] wants to merge 1 commit intorelease/v1.5Azure/azure-container-networking:release/v1.5from

d2fbdependabot/go_modules/azure-ipam/release/v1.5/github.com/Azure/azure-container-networking-1.6.16Azure/azure-container-networking:d2fbdependabot/go_modules/azure-ipam/release/v1.5/github.com/Azure/azure-container-networking-1.6.16Copy head branch name to clipboard