Hotfix from staging: typo in git refs/heads (#1679)

[sanderegg]

(cherry picked from commit fd14df5)

What do these changes do?

fix typo in github actions workflow file

Related issue number

How to test

Checklist

• Did you change any service's API? Then make sure to bundle document and upgrade version (make openapi-specs, git commit ... and then make version-*)
• Unit tests for the changes exist
• Runs in the swarm
• Documentation reflects the changes
• New module? Add your github username to .github/CODEOWNERS

[codecov]

Codecov Report

Merging #1680 into master will decrease coverage by 0.0%.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           master   #1680     +/-   ##
========================================
- Coverage    73.7%   73.6%   -0.1%     
========================================
  Files         278     278             
  Lines       10918   10918             
  Branches     1179    1179             
========================================
- Hits         8047    8046      -1     
- Misses       2528    2529      +1     
  Partials      343     343             

Flag	Coverage Δ
#integrationtests	56.7% <ø> (ø)
#unittests	67.4% <ø> (-0.1%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...ce_webserver/resource_manager/garbage_collector.py	72.0% <0.0%> (-2.2%)	⬇️
.../director/src/simcore_service_director/producer.py	63.0% <0.0%> (+0.2%)	⬆️