Update escalier_lsp to use new crates

[kevinbarabash]

This is the very last thing that needed to be updated before we can get rid of tree-sitter and the old crates.

[codecov[bot]]

Codecov Report

Merging #699 (129107d) into main (5a70c80) will decrease coverage by 0.15%. The diff coverage is 42.78%.

@@            Coverage Diff             @@
##             main     #699      +/-   ##
==========================================
- Coverage   88.17%   88.03%   -0.15%     
==========================================
  Files         112      113       +1     
  Lines       25261    25353      +92     
==========================================
+ Hits        22275    22319      +44     
- Misses       2986     3034      +48     

Files Changed	Coverage Δ
crates/escalier_lsp/src/main.rs	1.85% <0.00%> (ø)
crates/escalier_lsp/src/semantic_tokens.rs	0.00% <0.00%> (ø)
crates/escalier_lsp/src/util.rs	33.33% <33.33%> (ø)
crates/escalier_lsp/src/server.rs	76.71% <88.88%> (+1.35%)	:arrow_up:
crates/escalier_ast/src/visitor.rs	57.54% <100.00%> (+1.22%)	:arrow_up:

... and 5 files with indirect coverage changes