Enable running parallel or single pipeline benchmarks

[sjahr]

Description

Small fix to disable the need to always configure single and parallel planning pipelines for benchmarks.

Checklist

• Required by CI: Code is auto formatted using clang-format
• Extend the tutorials / documentation reference
• Document API changes relevant to the user in the MIGRATION.md notes
• Create tests, which fail without this PR reference
• Include a screenshot if changing a GUI
• While waiting for someone to review your request, please help review another open pull request to support the maintainers

[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (f998962) 50.78% compared to head (9ad895c) 50.79%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2385      +/-   ##
==========================================
+ Coverage   50.78%   50.79%   +0.01%     
==========================================
  Files         386      386              
  Lines       31972    31972              
==========================================
+ Hits        16235    16236       +1     
+ Misses      15737    15736       -1     

see 2 files with indirect coverage changes

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