push: Don't default to DOCKER_DEFAULT_PLATFORM, improve message
#4701
| Job | Run time |
|---|---|
| 1m 29s | |
| 1m 29s | |
| 1m 14s | |
| 1m 14s | |
| 15s | |
| 15s | |
| 1s | |
| 27s | |
| 1m 6s | |
| 1m 6s | |
| 9s | |
| 9s | |
| 1m 14s | |
| 1m 14s | |
| 11m 22s |