Update fortitude version and apply --preview fixes

[danielhollas]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 86.04651% with 12 lines in your changes missing coverage. Please review.
✅ Project coverage is 83.98%. Comparing base (2b2c3b4) to head (4f361a8).

Files with missing lines	Patch %	Lines
src/random.F90	71.42%	2 Missing and 2 partials ⚠️
src/force_h2o.F90	0.00%	2 Missing ⚠️
src/surfacehop.F90	60.00%	1 Missing and 1 partial ⚠️
src/transform.F90	66.66%	2 Missing ⚠️
src/forces.F90	0.00%	1 Missing ⚠️
src/init.F90	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #215      +/-   ##
==========================================
- Coverage   84.06%   83.98%   -0.09%     
==========================================
  Files          47       47              
  Lines        6602     6605       +3     
  Branches      764      764              
==========================================
- Hits         5550     5547       -3     
- Misses        853      859       +6     
  Partials      199      199              

Flag	Coverage Δ
unittests	18.39% <26.50%> (-0.01%)	⬇️

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

Files with missing lines	Coverage Δ
src/compile_info.F90	100.00% <ø> (ø)
src/force_bound.F90	76.19% <100.00%> (ø)
src/force_mm.F90	100.00% <100.00%> (ø)
src/geom_analysis.F90	87.50% <100.00%> (ø)
src/gle.F90	88.92% <100.00%> (ø)
src/io.F90	73.07% <100.00%> (ø)
src/landau_zener.F90	73.42% <100.00%> (ø)
src/nosehoover.F90	91.35% <100.00%> (ø)
src/plumed.F90	94.20% <ø> (ø)
src/potentials.F90	98.93% <100.00%> (ø)
... and 11 more

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[danielhollas]

TODO: remove this file