Redesign StackLimits API for Engine's config

[Robbepop]

Closes #1629.

• Deprecated StackLimits type.
• Deprecated Config::set_stack_limits and Config::cached_stacks methods.
• Add Config::set_{min_stack_height,max_stack_height,max_cached_stacks}.
• Add and use StackConfig internally.

[codecov]

Codecov Report

❌ Patch coverage is 31.57895% with 39 lines in your changes missing coverage. Please review.
✅ Project coverage is 70.77%. Comparing base (9037273) to head (2911597).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
crates/wasmi/src/engine/limits/stack.rs	32.14%	19 Missing ⚠️
crates/wasmi/src/engine/config.rs	5.55%	17 Missing ⚠️
crates/fuzz/src/oracle/wasmi.rs	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1631      +/-   ##
==========================================
- Coverage   70.92%   70.77%   -0.16%     
==========================================
  Files         181      181              
  Lines       15482    15512      +30     
==========================================
- Hits        10980    10978       -2     
- Misses       4502     4534      +32     

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