switch to using the internal code cache

[aviatesk]

Leverages JuliaLang/julia#52233 to use the internal code cache that comes with the inherent invalidation support.

Still requires:

• JuliaLang/julia#53300 (or JuliaLang/julia#53219)
• JuliaLang/julia#53318

[codecov[bot]]

Codecov Report

Attention: 23 lines in your changes are missing coverage. Please review.

Comparison is base (56520e0) 89.42% compared to head (3f6d7c2) 88.74%.

Files	Patch %	Lines
src/abstractinterpret/typeinfer.jl	0.00%	23 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #611 +/- ## ========================================== - Coverage 89.42% 88.74% -0.68% ========================================== Files 10 10 Lines 3008 3031 +23 ========================================== Hits 2690 2690 - Misses 318 341 +23 ```

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