fix: replace computed max u64 constant with literal

[jstarry]

Problem

Some bundlers convert ** to Math.pow which breaks bigint exponentiation used in the web3 sdk

Summary of Changes

• Replace calculated max u64 with a literal value for improved compatibility

Fixes #

[codecov]

Codecov Report

Merging #27765 (ac31813) into master (e779032) will increase coverage by 0.4%.
The diff coverage is n/a.

❗ Current head ac31813 differs from pull request most recent head 5b77508. Consider uploading reports for the commit 5b77508 to get more accurate results

@@            Coverage Diff            @@
##           master   #27765     +/-   ##
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+ Coverage    76.9%    77.3%   +0.4%     
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  Files          48       55      +7     
  Lines        2505     2889    +384     
  Branches      355      402     +47     
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+ Hits         1927     2234    +307     
- Misses        448      514     +66     
- Partials      130      141     +11     

[steveluscher]

Nice. And we could go even further by converting that to BigInt('18446744073709551615') for compatibility with runtimes that don't support bigint literals.