Fix MSVC build

[td202]

Purpose

Generate import library for linking consensus when using MSVC.

Changes

• Generate concordium-consensus.lib using lib.exe in the build script.

Checklist

• My code follows the style of this project.
• The code compiles without warnings.
• I have performed a self-review of the changes.
• I have documented my code, in particular the intent of the
  hard-to-understand areas.
• (If necessary) I have updated the CHANGELOG.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 62.61%. Comparing base (aa945b6) to head (c5193fc).
⚠️ Report is 64 commits behind head on release/p11.

Additional details and impacted files

@@               Coverage Diff               @@
##           release/p11    #1597      +/-   ##
===============================================
- Coverage        62.98%   62.61%   -0.38%     
===============================================
  Files              343      319      -24     
  Lines            68253    66056    -2197     
  Branches          3013     3013              
===============================================
- Hits             42992    41363    -1629     
+ Misses           22248    21680     -568     
  Partials          3013     3013              

see 28 files with indirect coverage changes

[limemloh]

Is this still relevant @td202 ?

[td202]

I think we're keeping with the gnu toolchain, so I will close this.