manifest: Update sdk-zephyr with latest cherry-picks#20980

rlubos merged 1 commit intonrfconnect:v2.9-nRF54H20-branchnrfconnect/sdk-nrf:v2.9-nRF54H20-branchfrom

rlubos:2-9-manifest-pr-2568rlubos/sdk-nrf:2-9-manifest-pr-2568Copy head branch name to clipboard