chore(ci): improve scanner vuln workflow logging

[RTann]

Description

I was looking at the logs, and, unfortunately, gsutil doesn't log what it's copying very well... So, I add logs here. I also did two other super tiny changes while I'm here

User-facing documentation

• CHANGELOG is updated OR update is not needed
• documentation PR is not needed

Testing and quality

• the change is production ready: the change is GA or otherwise the functionality is gated by a feature flag
• CI results are inspected

Automated testing

no

How I validated my change

CI

[openshift-ci]

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

[rhacs-bot]

Images are ready for the commit at 4016df9.

To use with deploy scripts, first export MAIN_IMAGE_TAG=4.6.x-719-g4016df955b.

[rhacs-bot]

Images are ready for the commit at 475e699.

To use with deploy scripts, first export MAIN_IMAGE_TAG=4.6.x-710-g475e69983f.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 48.14%. Comparing base (6d36261) to head (4016df9).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #12992      +/-   ##
==========================================
- Coverage   48.14%   48.14%   -0.01%     
==========================================
  Files        2448     2448              
  Lines      176123   176123              
==========================================
- Hits        84794    84790       -4     
- Misses      84503    84505       +2     
- Partials     6826     6828       +2     

Flag	Coverage Δ
go-unit-tests	48.14% <ø> (-0.01%)	⬇️

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[openshift-ci]

@RTann: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/ocp-4-17-nongroovy-e2e-tests	4016df9	link	false	/test ocp-4-17-nongroovy-e2e-tests

Full PR test history. Your PR dashboard.

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