docs: Correct typo in upgrade notes
docs: Correct typo in upgrade notes

Relates to 5db47e3

Signed-off-by: Tam Mach <928487046a9c42ed56ed508a413e2eaabffae612@yahoo.com>

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