Remove 'de lifetime from Token, replace with Span

[sinon]

No description provided.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 97.34513% with 6 lines in your changes missing coverage. Please review.
✅ Project coverage is 85.8%. Comparing base (e05e977) to head (a10a2ef).
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
crates/loxide/src/interpreter.rs	86.3%	3 Missing ⚠️
crates/parser/src/lib.rs	92.1%	3 Missing ⚠️

Additional details and impacted files

Files with missing lines	Coverage Δ
crates/lexer/src/lib.rs	100.0% <100.0%> (ø)
crates/loxide/src/interpreter.rs	73.1% <86.3%> (ø)
crates/parser/src/lib.rs	84.6% <92.1%> (-0.1%)	⬇️