ci: run deb and translation tests every week

[redshiftzero]

Status

Ready for review

Description of Changes

Two followup items from #4439

Testing

Review the diff and make sure my syntax looks good here
Does CI otherwise pass?

Deployment

CI only

Checklist

If you made non-trivial code changes:

• I have written a test plan and validated it for this PR

[codecov-io]

Codecov Report

Merging #4489 into develop will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop    #4489   +/-   ##
========================================
  Coverage    83.21%   83.21%           
========================================
  Files           45       45           
  Lines         3069     3069           
  Branches       332      332           
========================================
  Hits          2554     2554           
  Misses         430      430           
  Partials        85       85

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update eda65b8...1c5a008. Read the comment docs.

[emkll]

thanks @redshiftzero, LGTM