chore: add member, mappable member and attribute caching

[TimothyMakkison]

Add member, mappable member and attribute caching

Description

Added member, mappable member and attribute caching to improve performance and reduce memory usage.

Splitting up changes from #530

Benchmarks

10ms time and 3000KB memory savings

Cache

Method	Mean	Error	StdDev	Gen0	Gen1	Allocated
Compile	2.491 ms	0.0391 ms	0.0366 ms	156.2500	31.2500	284.15 KB
LargeCompile	64.276 ms	1.2297 ms	1.2628 ms	1714.2857	714.2857	10713.9 KB

Original

Method	Mean	Error	StdDev	Gen0	Gen1	Allocated
Compile	2.640 ms	0.0524 ms	0.0490 ms	179.6875	46.8750	320.39 KB
LargeCompile	75.350 ms	1.4524 ms	1.3586 ms	2333.3333	833.3333	14283.01 KB
Method	Mean	Error	StdDev	Gen0	Gen1	Allocated
-------------	----------:	----------:	----------:	----------:	---------:	------------:
Compile	2.627 ms	0.0428 ms	0.0379 ms	179.6875	39.0625	326.46 KB
LargeCompile	72.979 ms	1.1195 ms	0.8740 ms	2285.7143	571.4286	14280.24 KB

Checklist

• The existing code style is followed
• The commit message follows our guidelines
• Performed a self-review of my code
• Hard-to-understand areas of my code are commented
• The documentation is updated (as applicable)
• Unit tests are added/updated
• Integration tests are added/updated (as applicable, especially if feature/bug depends on roslyn or framework version in use)

[codecov]

Codecov Report

Merging #537 (8bce46c) into main (85347e4) will decrease coverage by 0.26%.
The diff coverage is 91.15%.

❗ Current head 8bce46c differs from pull request most recent head 25e2b6f. Consider uploading reports for the commit 25e2b6f to get more accurate results

@@            Coverage Diff             @@
##             main     #537      +/-   ##
==========================================
- Coverage   91.96%   91.71%   -0.26%     
==========================================
  Files         147      158      +11     
  Lines        4656     5432     +776     
  Branches      588      693     +105     
==========================================
+ Hits         4282     4982     +700     
- Misses        254      305      +51     
- Partials      120      145      +25     

Impacted Files	Coverage Δ
...numerables/EnsureCapacity/EnsureCapacityBuilder.cs	45.94% <42.10%> (-32.32%)	⬇️
...ok.Mapperly/Configuration/AttributeDataAccessor.cs	69.23% <64.58%> (-7.59%)	⬇️
...lders/NewInstanceObjectMemberMappingBodyBuilder.cs	79.58% <78.94%> (+0.79%)	⬆️
.../Descriptors/MappingBuilders/SpanMappingBuilder.cs	80.00% <80.00%> (ø)
src/Riok.Mapperly/Helpers/SymbolExtensions.cs	86.02% <83.33%> (-5.29%)	⬇️
...iptors/MappingBuilders/DictionaryMappingBuilder.cs	90.98% <85.00%> (+4.02%)	⬆️
...scriptors/InlineExpressionMappingBuilderContext.cs	95.91% <85.71%> (+0.79%)	⬆️
...Mapperly/Descriptors/UserMethodMappingExtractor.cs	93.77% <85.71%> (+0.08%)	⬆️
...escriptors/MappingBuilders/MemoryMappingBuilder.cs	88.46% <88.46%> (ø)
...rc/Riok.Mapperly/Configuration/StringMemberPath.cs	88.88% <88.88%> (ø)
... and 45 more

... and 2 files with indirect coverage changes

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[TimothyMakkison]

Thanks for the feedback, added SymbolAccessor etc.
Ran a quick check and memory usage is now 292.5 KB & 10715.43 KB not 100% sure why

[TimothyMakkison]

Thanks for the help. I've resolved the issues 😂

Benchmark

Method	Mean	Error	StdDev	Gen0	Gen1	Allocated
Compile	2.367 ms	0.0454 ms	0.0606 ms	152.3438	35.1563	273.75 KB
LargeCompile	61.346 ms	1.1614 ms	1.1407 ms	1714.2857	571.4286	10581.14 KB

[github-actions]

🎉 This PR is included in version 2.9.0-next.3 🎉

The release is available on:

• GitHub release
• v2.9.0-next.3

Your semantic-release bot 📦🚀

[github-actions]

🎉 This PR is included in version 3.0.0 🎉

The release is available on:

• GitHub release
• v3.0.0

Your semantic-release bot 📦🚀