Fix PMBS build failures

[dmach]

Fixes: #1574

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.

Project coverage is 32.38%. Comparing base (7b99b5b) to head (dcab9d5).
Report is 25 commits behind head on master.

Files	Patch %	Lines
osc/obs_api/keyinfo_sslcert.py	0.00%	2 Missing ⚠️
osc/build.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1589   +/-   ##
=======================================
  Coverage   32.37%   32.38%           
=======================================
  Files         118      118           
  Lines       19668    19721   +53     
=======================================
+ Hits         6368     6386   +18     
- Misses      13300    13335   +35     

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