docs: fix small GSG spelling mistakes
docs: fix small GSG spelling mistakes

Signed-off-by: Nicolas Busseneau <418d940643b1975d62234ee01246ad4b58904184@isovalent.com>

michi-covalent/cilium,tklauser/cilium,tklauser/cilium,michi-covalent/cilium,tklauser/cilium,cilium/cilium,tklauser/cilium,michi-covalent/cilium,cilium/cilium,cilium/cilium,tklauser/cilium,michi-covalent/cilium,cilium/cilium,cilium/cilium,michi-covalent/cilium