To origin rfc3339

[gbkannan89]

Related: #5911

---

Which Traffic Control components are affected by this PR?

• Documentation
• Traffic Ops

What is the best way to verify this PR?

Curl all Origin v5 REST calls (GET, CREATE, UPDATE, DELETE) and ensure you are getting RFC3339 date-time ( eg: lastUpdated : "2023-05-25T15:59:33.7096-06:00" )

If this is a bugfix, which Traffic Control versions contained the bug?

• 5.0.x

PR submission checklist

• This PR has tests
• This PR has documentation
• This PR has a CHANGELOG.md entry
• This PR DOES NOT FIX A SERIOUS SECURITY VULNERABILITY (see the Apache Software Foundation's security guidelines for details)

[codecov]

Codecov Report

Merging #7733 (2e1a252) into master (75ec56f) will decrease coverage by 33.27%.
Report is 104 commits behind head on master.
The diff coverage is 58.77%.

@@              Coverage Diff              @@
##             master    #7733       +/-   ##
=============================================
- Coverage     65.05%   31.79%   -33.27%     
  Complexity       98       98               
=============================================
  Files           314      714      +400     
  Lines         12365    82338    +69973     
  Branches        907      965       +58     
=============================================
+ Hits           8044    26177    +18133     
- Misses         3968    54015    +50047     
- Partials        353     2146     +1793     

Flag	Coverage Δ
golib_unit	53.64% <58.66%> (?)
grove_unit	12.02% <ø> (?)
t3c_unit	5.96% <2.80%> (?)
traffic_monitor_unit	26.33% <0.00%> (?)
traffic_ops_integration	69.42% <ø> (+<0.01%)	⬆️
traffic_ops_unit	21.50% <ø> (?)
traffic_portal_v2	74.34% <74.02%> (+0.56%)	⬆️
traffic_stats_unit	10.78% <ø> (?)
unit_tests	29.09% <58.77%> (-44.69%)	⬇️
v3	57.79% <ø> (ø)
v4	79.18% <ø> (ø)
v5	78.58% <ø> (-0.06%)	⬇️

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

Files Changed	Coverage Δ
cache-config/t3c-apply/config/config.go	0.00% <0.00%> (ø)
cache-config/t3c-apply/torequest/cmd.go	0.00% <0.00%> (ø)
cache-config/t3c-check-refs/t3c-check-refs.go	1.78% <0.00%> (ø)
cache-config/t3c-generate/cfgfile/varnish.go	0.00% <0.00%> (ø)
cache-config/t3c-generate/config/config.go	0.81% <0.00%> (-0.08%)	⬇️
cache-config/t3c-generate/t3c-generate.go	0.00% <ø> (ø)
experimental/traffic-portal/src/app/api/index.ts	100.00% <ø> (ø)
...mental/traffic-portal/src/app/api/testing/index.ts	100.00% <ø> (ø)
...perimental/traffic-portal/src/app/app.ui.module.ts	100.00% <ø> (ø)
...tatuses/statuses-table/statuses-table.component.ts	82.35% <ø> (ø)
... and 88 more

... and 367 files with indirect coverage changes

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more