Update RTP plugin to RTX Enabled version

[bblaszkow06]

No description provided.

[codecov]

Codecov Report

Merging #232 (6a8f5c5) into master (17ec55f) will increase coverage by 0.04%.
The diff coverage is 41.66%.

@@            Coverage Diff             @@
##           master     #232      +/-   ##
==========================================
+ Coverage   59.15%   59.20%   +0.04%     
==========================================
  Files          38       38              
  Lines        1775     1782       +7     
==========================================
+ Hits         1050     1055       +5     
- Misses        725      727       +2     

Impacted Files	Coverage Δ
...b/membrane_rtc_engine/endpoints/webrtc_endpoint.ex	0.00% <0.00%> (ø)
lib/membrane_rtc_engine/engine.ex	75.51% <100.00%> (+0.51%)	⬆️

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