Convert release-branches.py and update-required-checks.sh to TypeScript
#7438
| Job | Run time |
|---|---|
| 6m 7s | |
| 1m 31s | |
| 1m 33s | |
| 1m 28s | |
| 1m 25s | |
| 1m 18s | |
| 1m 48s | |
| 5m 11s | |
| 1m 22s | |
| 1m 21s | |
| 1m 6s | |
| 24m 10s |