fix: Change new identity keys to hex format

[shahzadlone]

Relevant issue(s)

Resolves #2770

Description

• Return the priv/pub keys in hex

Specify the platform(s) on which this was tested:

• WSL2

[AndrewSisley]

LGTM, thanks Shahzad (I'm assuming you update the CLI docs before merge :))

[shahzadlone]

LGTM, thanks Shahzad (I'm assuming you update the CLI docs before merge :))

Yup it's done.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.17%. Comparing base (a9f8dee) to head (cfaf40e).

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #2773      +/-   ##
===========================================
+ Coverage    78.16%   78.17%   +0.01%     
===========================================
  Files          313      313              
  Lines        23111    23116       +5     
===========================================
+ Hits         18063    18069       +6     
+ Misses        3673     3671       -2     
- Partials      1375     1376       +1     

Flag	Coverage Δ
all-tests	78.17% <100.00%> (+0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
acp/identity/generate.go	60.00% <100.00%> (ø)
cli/identity_new.go	89.47% <100.00%> (+3.76%)	⬆️

... and 12 files with indirect coverage changes

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