chore: Remove version number in find_dependency for OpenSSL

[bthomee]

High Level Overview of Change

This change removes the unnecessary version number in find_dependency(OpenSSL ...).

Context of Change

We are already using OpenSSL 3.5.2. The version number in the find_dependency statement is optional, and belongs in conanfile.py anyway.

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 78.3%. Comparing base (8eb233c) to head (004e175).
⚠️ Report is 1 commits behind head on develop.

Additional details and impacted files

@@            Coverage Diff            @@
##           develop   #5985     +/-   ##
=========================================
- Coverage     78.3%   78.3%   -0.0%     
=========================================
  Files          817     817             
  Lines        69001   69001             
  Branches      8342    8343      +1     
=========================================
- Hits         54021   54016      -5     
- Misses       14980   14985      +5     

see 2 files with indirect coverage changes

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