Temporal: Build out Time and its methods

[nekevss]

This Pull Request is related to the ongoing work on #1804. Mostly the work here is around building out more of the Time component and it's methods.

It changes the following:

• Adds/fixes Duration's is_date_duration and is_time_duration methods (exposes them as public too)
• Adds accessor methods to Time component
• Adds the Add, Subtract, and Round methods along with implementation details
• Some tests for the above

[github-actions]

Test262 conformance changes

Test result	main count	PR count	difference
Total	95,960	95,960	0
Passed	76,594	76,594	0
Ignored	18,477	18,477	0
Failed	889	889	0
Panics	0	0	0
Conformance	79.82%	79.82%	0.00%

[codecov]

Codecov Report

Attention: 42 lines in your changes are missing coverage. Please review.

Comparison is base (ced2904) 47.44% compared to head (7838220) 47.59%.
Report is 4 commits behind head on main.

Files	Patch %	Lines
core/temporal/src/iso.rs	64.70%	24 Missing ⚠️
core/temporal/src/components/time.rs	71.42%	12 Missing ⚠️
core/temporal/src/options.rs	55.55%	4 Missing ⚠️
core/temporal/src/components/duration.rs	50.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3613      +/-   ##
==========================================
+ Coverage   47.44%   47.59%   +0.15%     
==========================================
  Files         475      475              
  Lines       46036    46138     +102     
==========================================
+ Hits        21841    21960     +119     
+ Misses      24195    24178      -17     

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[raskad]

Looks good

[jasonwilliams]

LGTM

[HalidOdat]

Looks good to me! :)