Update MSRV to 1.72

[lukechu10]

Fixes broken CI

Also updates NodeJS version in CI to 18.x

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: +0.03% 🎉

Comparison is base (6bb700b) 62.17% compared to head (da82410) 62.21%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #625      +/-   ##
==========================================
+ Coverage   62.17%   62.21%   +0.03%     
==========================================
  Files          54       54              
  Lines        9413     9408       -5     
==========================================
  Hits         5853     5853              
+ Misses       3560     3555       -5     

Files Changed	Coverage Δ
packages/sycamore-core/src/generic_node.rs	79.31% <0.00%> (+2.21%)	⬆️
packages/tools/bench-diff/src/main.rs	0.00% <0.00%> (ø)

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