ci: Explicitly set version when exporting the Conan recipe

[bthomee]

High Level Overview of Change

This change explicitly sets the version when exporting the Conan recipe, and optimizes the steps in the upload workflow.

Context of Change

By default the Conan recipe extracts the version from BuildInfo.cpp, but in some of the cases we want to upload a recipe with a suffix derived from the commit hash. This currently then results in the uploading to fail, since there is a version mismatch.

Here we explicitly set the version, and then simplify the steps in the upload workflow since we now need the recipe name (embedded within the conanfile.py but also needed when uploading), the recipe version, and the recipe ref (name/version).

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Refactor (non-breaking change that only restructures code)
• Performance (increase or change in throughput and/or latency)
• Tests (you added tests for code that already exists, or your new feature included in this PR)
• Documentation update
• Chore (no impact to binary, e.g. .gitignore, formatting, dropping support for older tooling)
• Release

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 79.4%. Comparing base (4e3f953) to head (a0aaeb0).
⚠️ Report is 1 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff           @@
##           develop   #6264   +/-   ##
=======================================
  Coverage     79.4%   79.4%           
=======================================
  Files          839     839           
  Lines        71619   71619           
  Branches      8237    8233    -4     
=======================================
+ Hits         56848   56856    +8     
+ Misses       14771   14763    -8     

see 1 file with indirect coverage changes

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