fix cmd bot PR context (#5531)
- restore update-ui.sh (accidentally removed with bunch of bash😅 - fix empty context and pushing to dev branch (supporting forks) tested fork here: https://github.com/paritytech-stg/polkadot-sdk/pull/45
- restore update-ui.sh (accidentally removed with bunch of bash😅 - fix empty context and pushing to dev branch (supporting forks) tested fork here: https://github.com/paritytech-stg/polkadot-sdk/pull/45