Improve logging clarity and boost mantid version of runner

[Pasarus]

Closes None

Description

• Boost mantid version to 6.7
• Pre-download instrument data to avoid issues with github in prod
• Reduce default logging to reduce log spam for clarity in debugging prod

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: +1.66% 🎉

Comparison is base (6fde980) 89.72% compared to head (2147f88) 91.38%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #96      +/-   ##
==========================================
+ Coverage   89.72%   91.38%   +1.66%     
==========================================
  Files           8        8              
  Lines         360      360              
==========================================
+ Hits          323      329       +6     
+ Misses         37       31       -6     

see 1 file with indirect coverage changes

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