fix: Restore static credentials for develop.sh

[mafredri]

This PR restores static credentials for coder server --dev when run via develop.sh.

[presleyp]

Thanks!

[presleyp]

@BrunoQuaresma @vapurrmaid @code-asher speak up if you disagree with this approach! Just thought it would be simpler than making sure we've exported, or copy pasting new passwords on each run.

[codecov]

Codecov Report

Merging #1212 (3d74b91) into main (e330dc1) will increase coverage by 0.53%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #1212      +/-   ##
==========================================
+ Coverage   64.83%   65.36%   +0.53%     
==========================================
  Files         259      265       +6     
  Lines       16716    16937     +221     
  Branches      157      157              
==========================================
+ Hits        10837    11071     +234     
+ Misses       4707     4704       -3     
+ Partials     1172     1162      -10     

Flag	Coverage Δ
unittest-go-macos-latest	52.90% <ø> (?)
unittest-go-postgres-	64.60% <ø> (-0.08%)	⬇️
unittest-go-ubuntu-latest	55.32% <ø> (?)
unittest-go-windows-2022	52.48% <ø> (?)
unittest-js	66.50% <ø> (ø)

Impacted Files	Coverage Δ
provisionersdk/serve.go	35.13% <0.00%> (-8.11%)	⬇️
coderd/workspaceagents.go	55.59% <0.00%> (-1.28%)	⬇️
coderd/provisionerdaemons.go	62.28% <0.00%> (-1.02%)	⬇️
cli/ssh_windows.go	0.00% <0.00%> (ø)
pty/start_windows.go	66.95% <0.00%> (ø)
cli/cliui/cliui_darwin.go	0.00% <0.00%> (ø)
pty/pty_windows.go	70.14% <0.00%> (ø)
agent/usershell/usershell_darwin.go	100.00% <0.00%> (ø)
agent/usershell/usershell_windows.go	83.33% <0.00%> (ø)
coderd/users.go	61.27% <0.00%> (+0.51%)	⬆️
... and 15 more

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