Make same_value and same_value_zero static methods

[HalidOdat]

This makes the API much more intuitive.

It changes the following:

• Make same_value a static method of Value
• Make same_value_zero a static method of Value

[github-actions]

Test262 conformance changes:

Test result	master count	PR count	difference
Total	78,701	78,701	0
Passed	26,404	26,404	0
Ignored	15,519	15,519	0
Failed	36,778	36,778	0
Panics	27	26	-1
Conformance	33.55%	33.55%	0.00%

[github-actions]

Benchmark for 2300504

Click to view benchmark

Test	PR Benchmark	Master Benchmark	%
Arithmetic operations (Execution)	311.4±9.12ns	302.8±0.13ns	+2.84%
Arithmetic operations (Full)	201.5±0.25µs	201.1±0.34µs	+0.20%
Array access (Execution)	4.5±0.01µs	5.1±0.02µs	-11.76%
Array access (Full)	248.5±0.46µs	220.3±0.64µs	+12.80%
Array creation (Execution)	2.0±0.00ms	2.3±0.01ms	-13.04%
Array creation (Full)	2.7±0.01ms	2.4±0.00ms	+12.50%
Array pop (Execution)	651.7±2.51µs	741.2±2.56µs	-12.08%
Array pop (Full)	1181.9±9.88µs	1185.6±3.00µs	-0.31%
Boolean Object Access (Execution)	4.4±0.01µs	4.4±0.00µs	0.00%
Boolean Object Access (Full)	213.2±0.97µs	213.9±0.28µs	-0.33%
Clean js (Execution)	555.8±4.08µs	493.0±4.21µs	+12.74%
Clean js (Full)	732.7±2.72µs	730.9±2.91µs	+0.25%
Clean js (Parser)	31.7±0.03µs	36.3±0.28µs	-12.67%
Create Realm	358.9±0.20ns	320.4±2.80ns	+12.02%
Dynamic Object Property Access (Execution)	4.3±0.01µs	4.2±0.01µs	+2.38%
Dynamic Object Property Access (Full)	246.3±0.47µs	215.5±0.75µs	+14.29%
Expression (Parser)	5.1±0.00µs	5.8±0.00µs	-12.07%
Fibonacci (Execution)	569.3±1.51µs	636.6±1.33µs	-10.57%
Fibonacci (Full)	904.5±3.66µs	804.2±6.08µs	+12.47%
For loop (Execution)	18.4±0.03µs	18.7±0.10µs	-1.60%
For loop (Full)	257.6±0.49µs	230.1±0.79µs	+11.95%
For loop (Parser)	15.4±0.13µs	15.6±0.09µs	-1.28%
Goal Symbols (Parser)	10.8±0.01µs	12.2±0.02µs	-11.48%
Hello World (Parser)	3.0±0.01µs	3.0±0.01µs	0.00%
Long file (Parser)	689.9±7.15ns	707.7±13.22ns	-2.52%
Mini js (Execution)	493.7±2.63µs	495.2±3.02µs	-0.30%
Mini js (Full)	676.1±1.88µs	767.8±2.83µs	-11.94%
Mini js (Parser)	27.9±0.07µs	31.8±0.04µs	-12.26%
Number Object Access (Execution)	3.5±0.02µs	3.4±0.03µs	+2.94%
Number Object Access (Full)	238.2±0.65µs	211.9±0.50µs	+12.41%
Object Creation (Execution)	3.3±0.01µs	3.6±0.04µs	-8.33%
Object Creation (Full)	245.4±0.74µs	212.2±0.60µs	+15.65%
RegExp (Execution)	9.3±0.03µs	9.4±0.02µs	-1.06%
RegExp (Full)	254.0±2.97µs	226.7±0.67µs	+12.04%
RegExp Literal (Execution)	9.3±0.02µs	9.4±0.03µs	-1.06%
RegExp Literal (Full)	252.7±0.67µs	222.7±1.25µs	+13.47%
RegExp Literal Creation (Execution)	8.0±0.02µs	8.0±0.06µs	0.00%
RegExp Literal Creation (Full)	245.4±0.51µs	219.3±1.24µs	+11.90%
Static Object Property Access (Execution)	3.4±0.01µs	3.8±0.02µs	-10.53%
Static Object Property Access (Full)	244.0±0.55µs	213.2±0.66µs	+14.45%
String Object Access (Execution)	6.2±0.05µs	6.3±0.01µs	-1.59%
String Object Access (Full)	216.4±0.68µs	216.0±0.65µs	+0.19%
String comparison (Execution)	5.5±0.01µs	5.6±0.01µs	-1.79%
String comparison (Full)	244.9±3.78µs	215.9±1.98µs	+13.43%
String concatenation (Execution)	4.4±0.02µs	4.4±0.02µs	0.00%
String concatenation (Full)	241.1±0.33µs	211.0±0.60µs	+14.27%
String copy (Execution)	3.3±0.01µs	3.4±0.02µs	-2.94%
String copy (Full)	234.2±1.78µs	206.6±0.48µs	+13.36%
Symbols (Execution)	2.8±0.01µs	2.9±0.00µs	-3.45%
Symbols (Full)	229.4±0.47µs	201.9±0.75µs	+13.62%