chore(docs): update firebase emulator recipe

[tzkz]

Description

Node prefers ipv6 from version 17 nodejs/node#40537

Screenshots (if appropriate)

[codecov]

Codecov Report

Merging #1030 (9a9cdd8) into main (53ee14f) will increase coverage by 0.00%.
The diff coverage is 88.23%.

@@           Coverage Diff           @@
##             main    #1030   +/-   ##
=======================================
  Coverage   87.27%   87.28%           
=======================================
  Files           6        6           
  Lines         283      291    +8     
  Branches      102      110    +8     
=======================================
+ Hits          247      254    +7     
- Misses         10       11    +1     
  Partials       26       26           

Impacted Files	Coverage Δ
src/firebase-utils.ts	83.96% <55.55%> (-0.80%)	⬇️
src/attachCustomCommands.ts	88.15% <100.00%> (ø)
src/extendWithFirebaseConfig.ts	100.00% <100.00%> (ø)
src/plugin.ts	100.00% <100.00%> (ø)
src/tasks.ts	87.20% <100.00%> (+0.95%)	⬆️

[prescottprue]

Great catch, thanks for the PR! Will for sure save folks time