fix: Update pion/webrtc to fix ICE negotiation race

[kylecarbs]

Run 1: ✅
Run 2: ✅
Run 3: ✅
Run 4: ✅
Run 5: ✅ peer passed, but CI failed because of a provisionerd bug fixed in another PR.
Run 6: ✅
Run 7: ✅

It's pretty safe to say this fixes the race!

[codecov]

Codecov Report

Merging #153 (d03f508) into main (e75bde4) will increase coverage by 2.76%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #153      +/-   ##
==========================================
+ Coverage   64.92%   67.69%   +2.76%     
==========================================
  Files          55      101      +46     
  Lines         633     5101    +4468     
  Branches       68       68              
==========================================
+ Hits          411     3453    +3042     
- Misses        210     1340    +1130     
- Partials       12      308     +296     

Flag	Coverage Δ
unittest-go-macos-latest	64.57% <92.59%> (?)
unittest-go-ubuntu-latest	66.04% <66.66%> (?)
unittest-go-windows-latest	63.84% <88.88%> (?)
unittest-js	64.92% <ø> (ø)

Impacted Files	Coverage Δ
peer/conn.go	79.74% <100.00%> (ø)
httpmw/organizationparam.go	69.81% <0.00%> (ø)
cryptorand/strings.go	80.64% <0.00%> (ø)
coderd/workspacehistory.go	55.13% <0.00%> (ø)
coderd/cmd/root.go	86.11% <0.00%> (ø)
codersdk/projects.go	70.00% <0.00%> (ø)
codersdk/provisioners.go	0.00% <0.00%> (ø)
database/time.go	0.00% <0.00%> (ø)
database/postgres/postgres.go	70.73% <0.00%> (ø)
coderd/projecthistory.go	65.21% <0.00%> (ø)
... and 37 more

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[bryphe-coder]

So stoked to see all that green! ✅