fix: Use forked pion/ice to fix Close() race

[kylecarbs]

Closes #340. A PR is upstream to fix the issue!

[codecov]

Codecov Report

Merging #341 (125a596) into main (0861e25) will increase coverage by 1.49%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #341      +/-   ##
==========================================
+ Coverage   66.06%   67.55%   +1.49%     
==========================================
  Files         134      142       +8     
  Lines        7098     7706     +608     
  Branches       77       77              
==========================================
+ Hits         4689     5206     +517     
- Misses       1939     1971      +32     
- Partials      470      529      +59     

Flag	Coverage Δ
unittest-go-macos-latest	66.20% <ø> (-0.16%)	⬇️
unittest-go-ubuntu-latest	67.56% <ø> (?)
unittest-go-windows-2022	65.91% <ø> (?)
unittest-js	63.61% <ø> (ø)

Impacted Files	Coverage Δ
peer/conn.go	76.21% <0.00%> (-2.56%)	⬇️
pty/start_windows.go	51.30% <0.00%> (ø)
provisioner/terraform/parse.go	77.77% <0.00%> (ø)
coderd/userpassword/userpassword.go	63.41% <0.00%> (ø)
pty/pty_windows.go	60.31% <0.00%> (ø)
provisioner/terraform/serve.go	68.75% <0.00%> (ø)
database/postgres/postgres.go	70.73% <0.00%> (ø)
agent/usershell/usershell_other.go	60.00% <0.00%> (ø)
provisioner/terraform/provision.go	71.62% <0.00%> (ø)
cli/login.go	60.46% <0.00%> (+0.58%)	⬆️
... and 8 more

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[jawnsy]

Nice, hope this makes the tests more reliable