Revert "ci: use CLI 0.11.8 for AKS workflow"
Revert "ci: use CLI 0.11.8 for AKS workflow"

This reverts commit 1ffa176a47f6363e9a1880be126157720d7f98a9.

Reason for revert: this was merged based on cilium-cli v0.11.8 which
still supported the --base-version flag. In the meantime, commit
135f522644f0 ("ci: pick up cilium-cli v0.11.9 for master/v1.11
workflows") was merged updating to cilium-cli v0.11.9 which dropped said
flag.

This should fix the AKS workflow on master.

Ref. https://github.com/cilium/cilium/pull/19379#issuecomment-1162193946

Signed-off-by: Tobias Klauser <059b8b880f8441509ec8a65b50b4c6ae74ebea76@cilium.io>

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