feat: "coder ssh --shuffle" easter egg

[dwahler]

Adds a hidden coder ssh --shuffle command that picks a random workspace to connect to.

[codecov]

Codecov Report

Merging #1084 (36c50c0) into main (f5693df) will decrease coverage by 0.16%.
The diff coverage is 29.54%.

@@            Coverage Diff             @@
##             main    #1084      +/-   ##
==========================================
- Coverage   66.58%   66.41%   -0.17%     
==========================================
  Files         284      284              
  Lines       18593    18628      +35     
  Branches      235      235              
==========================================
- Hits        12380    12372       -8     
- Misses       4950     4986      +36     
- Partials     1263     1270       +7     

Flag	Coverage Δ
unittest-go-macos-latest	53.55% <29.54%> (-0.19%)	⬇️
unittest-go-postgres-	65.10% <29.54%> (-0.05%)	⬇️
unittest-go-ubuntu-latest	55.98% <29.54%> (-0.30%)	⬇️
unittest-go-windows-2022	51.99% <29.54%> (-0.08%)	⬇️
unittest-js	73.67% <ø> (ø)

Impacted Files	Coverage Δ
cli/ssh.go	34.28% <29.54%> (-2.15%)	⬇️
peerbroker/dial.go	77.04% <0.00%> (-6.56%)	⬇️
coderd/httpapi/httpapi.go	71.25% <0.00%> (-6.25%)	⬇️
peer/conn.go	77.88% <0.00%> (-4.43%)	⬇️
cli/cliui/provisionerjob.go	76.42% <0.00%> (-2.15%)	⬇️
peer/channel.go	84.21% <0.00%> (-1.76%)	⬇️
peerbroker/listen.go	84.03% <0.00%> (-1.69%)	⬇️
agent/agent.go	65.28% <0.00%> (-0.62%)	⬇️
coderd/provisionerdaemons.go	63.98% <0.00%> (ø)
coderd/database/queries.sql.go	78.32% <0.00%> (+0.17%)	⬆️
... and 4 more

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[deansheather]

lgtm other than the gosec lints, feel free to nolint those though

[greyscaled]

@dwahler are you able to get this one merged?

[dwahler]

Yep, thanks for the reminder!