Lock oscrypto to fix libcrypto issue with RDP

[ilija-lazoroski]

What does this PR do?

Fixes part of #3583 .

Oscrypto has not yet released with fix to this issue so we need to lock the commit until oscrypto releases.

PR Checklist

• Have you added an explanation of what your changes do and why you'd like to include them?
• Is the TravisCI build passing?
• Was the CHANGELOG.md updated to reflect the changes?
• Was the documentation framework updated to reflect the changes?
• Have you checked that you haven't introduced any duplicate code?

Testing Checklist

• Added relevant unit tests?
• Do all unit tests pass?
• Do all end-to-end tests pass?
• Any other testing performed?

  Tested by {Running the Monkey locally with relevant config/running Island/...}

• If applicable, add screenshots or log transcripts of the feature working

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (cb47543) 78.00% compared to head (e8f9297) 78.00%.

❗ Current head e8f9297 differs from pull request most recent head a51ab0f. Consider uploading reports for the commit a51ab0f to get more accurate results

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #3958   +/-   ##
========================================
  Coverage    78.00%   78.00%           
========================================
  Files          464      464           
  Lines        14664    14664           
========================================
  Hits         11439    11439           
  Misses        3225     3225           

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

[mssalvatore]

Looks fine, but can you explain what it has to do with #3583?

[ilija-lazoroski]

Looks fine, but can you explain what it has to do with #3583?

Maybe the issue's title is wrong but there are tasks to rebuild RDP machines. I assume we may or may not introduce this while fixing other things in that issue.