Implement Error.prototype.stack accessor property

[HalidOdat]

This implements the Error.prototype.stack property as specified in the TC39 Error Stacks proposal (https://tc39.es/proposal-error-stacks).

[github-actions]

Test262 conformance changes

Test result	main count	PR count	difference
Total	52,598	52,598	0
Passed	49,421	49,422	+1
Ignored	2,134	2,134	0
Failed	1,043	1,042	-1
Panics	0	0	0
Conformance	93.96%	93.96%	+0.00%

Fixed tests (1):

test/staging/sm/extensions/regress-645160.js (previously Failed)

[codecov]

Codecov Report

❌ Patch coverage is 68.46847% with 35 lines in your changes missing coverage. Please review.
✅ Project coverage is 56.53%. Comparing base (6ddc2b4) to head (286ebec).
⚠️ Report is 634 commits behind head on main.

Files with missing lines	Patch %	Lines
core/engine/src/builtins/error/mod.rs	44.18%	24 Missing ⚠️
core/engine/src/vm/shadow_stack.rs	80.85%	9 Missing ⚠️
core/engine/src/value/display.rs	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4552      +/-   ##
==========================================
+ Coverage   47.24%   56.53%   +9.29%     
==========================================
  Files         476      547      +71     
  Lines       46892    60099   +13207     
==========================================
+ Hits        22154    33979   +11825     
- Misses      24738    26120    +1382     

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