update typicalMaximumVmNumberByteLength & update conditionals

[mr-zwets]

We noticed that in libauth v3.1.0-next.4 the function vmNumberToBigInt still has the following logic

const typicalMaximumVmNumberByteLength = 8;

where this maximum is the default for maximumVmNumberByteLength which then later triggers the error:

  if (bytes.length > maximumVmNumberByteLength) {
    return VmNumberError.outOfRange;
  }

@bitjson suggested setting the typicalMaximumVmNumberByteLength to zero to disable maximum length checks

maximumVmNumberByteLength appears 144 times in the codebase, sometimes with custom high number value overrides for the BCH consensus for 2025.

I simply updated the defaults and the three inequality checks I found, i did not dive further into the remaining occurrences.

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[codecov]

Codecov Report

Attention: Patch coverage is 92.30769% with 1 line in your changes missing coverage. Please review.

Project coverage is 94.22%. Comparing base (489cac0) to head (e9654ec).

Files with missing lines	Patch %	Lines
src/lib/vm/instruction-sets/common/format.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             next     #153   +/-   ##
=======================================
  Coverage   94.22%   94.22%           
=======================================
  Files         159      159           
  Lines       53320    53327    +7     
  Branches     1626     1626           
=======================================
+ Hits        50239    50246    +7     
  Misses       3080     3080           
  Partials        1        1           

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