Add SyntaxErrors in GlobalDeclarationInstantiation

[raskad]

This Pull Request changes the following:

• Add SyntaxErrors in GlobalDeclarationInstantiation.
• Remove the unused Early phase in boa_tester.
• Move the compilation from the parse to the runtime phase in boa_tester.

[github-actions]

Test262 conformance changes

Test result	main count	PR count	difference
Total	94,601	94,601	0
Passed	73,345	73,355	+10
Ignored	17,505	17,505	0
Failed	3,751	3,741	-10
Panics	0	0	0
Conformance	77.53%	77.54%	+0.01%

Fixed tests (10):

test/language/global-code/decl-lex-restricted-global.js [strict mode] (previously Failed)
test/language/global-code/decl-lex-restricted-global.js (previously Failed)
test/language/global-code/script-decl-lex-restricted-global.js [strict mode] (previously Failed)
test/language/global-code/script-decl-lex-restricted-global.js (previously Failed)
test/language/global-code/script-decl-lex-lex.js [strict mode] (previously Failed)
test/language/global-code/script-decl-lex-lex.js (previously Failed)
test/language/global-code/script-decl-var-collision.js [strict mode] (previously Failed)
test/language/global-code/script-decl-var-collision.js (previously Failed)
test/language/global-code/script-decl-lex-var.js [strict mode] (previously Failed)
test/language/global-code/script-decl-lex-var.js (previously Failed)

[codecov]

Codecov Report

Merging #2908 (0cd9c1e) into main (c220505) will decrease coverage by 0.02%.
The diff coverage is 38.63%.

@@            Coverage Diff             @@
##             main    #2908      +/-   ##
==========================================
- Coverage   51.82%   51.81%   -0.02%     
==========================================
  Files         431      431              
  Lines       43302    43369      +67     
==========================================
+ Hits        22443    22473      +30     
- Misses      20859    20896      +37     

Impacted Files	Coverage Δ
boa_tester/src/exec/mod.rs	0.00% <0.00%> (ø)
boa_tester/src/main.rs	0.00% <ø> (ø)
boa_engine/src/bytecompiler/declarations.rs	58.08% <47.05%> (-1.41%)	⬇️
boa_engine/src/context/mod.rs	49.70% <69.23%> (-2.01%)	⬇️

... and 9 files with indirect coverage changes

[HalidOdat]

Looks great to me! :)

[jedel1043]

Everything looking good! Just had a small nitpick with an error message