test: improve resilience of deployments e2e tests (#10800)

* test: improve resilience of deployments e2e tests

The assets upload API can be a bit flakey and so there are sometimes retries.
This change makes the checks of the logs resilient to non-relevant changes to logging output in these cases.

* fixup! test: improve resilience of deployments e2e tests

Author: petebacondarwin