[tor-bugs] #33576 [Applications/Tor Browser]: Update pion-webrtc version to 2.2.3

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#33576: Update pion-webrtc version to 2.2.3
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 Reporter:  cohosh                    |          Owner:  cohosh
     Type:  defect                    |         Status:  assigned
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:  snowflake                 |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
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Comment (by cohosh):

 I was able to remove 3 dependencies for tor browser (these were indirect
 depends from gomega). I don't know of a way of automating it with any of
 the go module tools, but at least this cuts down a bit on size for now.

 Here's the branch (with two commits) to review:
 https://gitweb.torproject.org/user/cohosh/tor-browser-
 build.git/log/?h=bug/33330

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/33576#comment:2>
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