Migrate to workspace lints

[jedel1043]

This PR migrates our lints to the newly released [lints] section, which also makes cargo clippy -- -D warnings work again.

[github-actions]

Test262 conformance changes

Test result	main count	PR count	difference
Total	95,609	95,609	0
Passed	76,524	76,524	0
Ignored	18,132	18,132	0
Failed	953	953	0
Panics	0	0	0
Conformance	80.04%	80.04%	0.00%

[codecov]

Codecov Report

Attention: 40 lines in your changes are missing coverage. Please review.

Comparison is base (af1a918) 44.62% compared to head (744dda8) 44.60%.

Files	Patch %	Lines
boa_engine/src/builtins/options.rs	0.00%	21 Missing ⚠️
boa_examples/src/bin/futures.rs	0.00%	10 Missing ⚠️
boa_cli/src/main.rs	0.00%	1 Missing ⚠️
...oa_engine/src/builtins/temporal/duration/record.rs	0.00%	1 Missing ⚠️
boa_examples/src/bin/classes.rs	0.00%	1 Missing ⚠️
boa_examples/src/bin/closures.rs	0.00%	1 Missing ⚠️
boa_examples/src/bin/commuter_visitor.rs	0.00%	1 Missing ⚠️
boa_examples/src/bin/jsarraybuffer.rs	0.00%	1 Missing ⚠️
boa_examples/src/bin/jsdate.rs	0.00%	1 Missing ⚠️
boa_examples/src/bin/modules.rs	0.00%	1 Missing ⚠️
... and 1 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3334      +/-   ##
==========================================
- Coverage   44.62%   44.60%   -0.02%     
==========================================
  Files         487      487              
  Lines       50539    50537       -2     
==========================================
- Hits        22552    22541      -11     
- Misses      27987    27996       +9     

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