Implement DIV_MOD_N_PACKED_DIVMOD_V1 & DIV_MOD_N_PACKED_DIVMOD_EXTERNAL_N hints

[fmoletta]

More hints are needed for integration test

[codecov-commenter]

Codecov Report

Merging #290 (8cd64b6) into main (a72704d) will increase coverage by 0.01%.
The diff coverage is 59.09%.

@@            Coverage Diff             @@
##             main     #290      +/-   ##
==========================================
+ Coverage   57.60%   57.61%   +0.01%     
==========================================
  Files          45       46       +1     
  Lines        5611     5655      +44     
==========================================
+ Hits         3232     3258      +26     
- Misses       2078     2091      +13     
- Partials      301      306       +5     

Files	Coverage Δ
pkg/hints/hint_processor.go	98.47% <100.00%> (+0.04%)	⬆️
pkg/hints/hint_utils/bigint_utils.go	0.00% <0.00%> (ø)
pkg/hints/signature_hints.go	59.45% <59.45%> (ø)

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[fmoletta]

Absorbed by #291