Allow function resumption after running out of fuel

[Robbepop]

Closes #696.

cc @rib @tomaka @AbleTheAbove

This PR implements this ResumableCall design:

[codecov]

Codecov Report

Attention: Patch coverage is 67.70428% with 83 lines in your changes missing coverage. Please review.

Project coverage is 70.76%. Comparing base (7777122) to head (3691c29).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
crates/wasmi/src/engine/resumable.rs	64.28%	30 Missing ⚠️
crates/wasmi/tests/integration/resumable_call.rs	48.57%	18 Missing ⚠️
crates/wasmi/src/engine/executor/mod.rs	70.21%	14 Missing ⚠️
crates/wasmi/src/error.rs	75.00%	4 Missing ⚠️
crates/wast/src/lib.rs	91.17%	3 Missing ⚠️
crates/core/src/limiter.rs	0.00%	2 Missing ⚠️
crates/core/src/memory/error.rs	0.00%	2 Missing ⚠️
crates/core/src/table/error.rs	0.00%	2 Missing ⚠️
crates/wasmi/src/engine/code_map.rs	0.00%	2 Missing ⚠️
crates/wasmi/src/engine/executor/instrs.rs	75.00%	2 Missing ⚠️
... and 3 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1498      +/-   ##
==========================================
- Coverage   70.80%   70.76%   -0.05%     
==========================================
  Files         175      175              
  Lines       16422    16566     +144     
==========================================
+ Hits        11628    11723      +95     
- Misses       4794     4843      +49     

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[Robbepop]

At this point the feature is mostly implemented and even integrated into Wasmi's Wast runner to use the resumable call API to execute the official Wasm spec testsuite and ... it mostly works. A few (2-3) test cases do not yet work properly and need to be investigated.

In case anybody wonders how using the API looks like:
https://github.com/wasmi-labs/wasmi/blob/rf-integrate-call-resumption-with-fuel/crates/wast/src/lib.rs#L558