sgx: add e2e workflow

[bart0sh]

Add workflow to test SGX plugin on a machine with SGX hardware

Fixes: #664

[codecov-commenter]

Codecov Report

Merging #826 (6310f64) into main (3cc0e3e) will not change coverage.
The diff coverage is n/a.

❗ Current head 6310f64 differs from pull request most recent head ccc4ea2. Consider uploading reports for the commit ccc4ea2 to get more accurate results

@@           Coverage Diff           @@
##             main     #826   +/-   ##
=======================================
  Coverage   54.29%   54.29%           
=======================================
  Files          39       39           
  Lines        3597     3597           
=======================================
  Hits         1953     1953           
  Misses       1531     1531           
  Partials      113      113           

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