use correct env

[mdoucet]

Make sure the correct env is used for batch reduction (mantid, not mantid-dev).
Make sure the correct env is used for the time-resolved reduction.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 11.11111% with 8 lines in your changes missing coverage. Please review.

Project coverage is 82.12%. Comparing base (02b4d6c) to head (962fed2).
Report is 4 commits behind head on next.

Files with missing lines	Patch %	Lines
reduction/lr_reduction/time_resolved.py	11.11%	8 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             next      #46      +/-   ##
==========================================
- Coverage   82.36%   82.12%   -0.24%     
==========================================
  Files          20       20              
  Lines        2404     2411       +7     
==========================================
  Hits         1980     1980              
- Misses        424      431       +7     

Flag	Coverage Δ
	82.12% <11.11%> (?)

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

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.