CI: Add GitHub Actions Workflow
CI: Add GitHub Actions Workflow

Signed-off-by: Ilya Dmitrichenko <59b6733e47280dc0842a1e64fb2a9c742d686e46@gmail.com>

tgraf/cilium,tklauser/cilium,michi-covalent/cilium,cilium/cilium,tklauser/cilium,tklauser/cilium,tgraf/cilium,tklauser/cilium,cilium/cilium,tgraf/cilium,michi-covalent/cilium,michi-covalent/cilium,tgraf/cilium,tgraf/cilium,michi-covalent/cilium,cilium-team/cilium,cilium-team/cilium,michi-covalent/cilium,cilium/cilium,cilium/cilium,cilium/cilium,tklauser/cilium,tgraf/cilium