[nrf fromtree] Bluetooth: Host: Cherry pick gatt sign counter#3515

PavelVPV wants to merge 3 commits intonrfconnect:mainnrfconnect/sdk-zephyr:mainfrom

PavelVPV:cherry_pick_gatt_sign_counterPavelVPV/sdk-zephyr:cherry_pick_gatt_sign_counterCopy head branch name to clipboard