change(deps): Upgrade zcash_script to 0.1.12 to match zcashd 5.5.0

[teor2345]

Motivation

We need to upgrade to the zcash_script dependency to match zcashd 5.5.0.

Closes #6535

Specifications

Zcash script handling is not specified, so we just run zcashd's code.

Complex Code or Requirements

This is unlikely to be a consensus-critical change, because zcashd has not changed its script handling. However, it has refactored some of its transaction parsing code.

Solution

• Run cargo upgrade --workspace zcash_script
• Automatically update Cargo.lock
• Manually update deny.toml

Review

This is a high priority because it's blocking the missed version updates, which is needed to tag the next release.

Reviewer Checklist

• Will the PR name make sense to users?
  • Does it need extra CHANGELOG info? (new features, breaking changes, large changes)
• Are the PR labels correct?
• Does the code do what the ticket and PR says?
  • Does it change concurrent code, unsafe code, or consensus rules?
• How do you know it works? Does it have tests?

[codecov]

Codecov Report

Merging #6624 (de714a9) into main (6016c9d) will increase coverage by 0.01%.
The diff coverage is 88.57%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6624      +/-   ##
==========================================
+ Coverage   77.92%   77.93%   +0.01%     
==========================================
  Files         309      309              
  Lines       40653    40664      +11     
==========================================
+ Hits        31678    31693      +15     
+ Misses       8975     8971       -4     

[daira]

utACK

[teor2345]

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[teor2345]

Manually use cargo tree to check that we don't depend on any vulnerable orchard versions: we must only depend on orchard 0.4 or later.

I forgot this check when making this PR. orchard was upgraded in that PR, and some other missed updates are handled by PR #6656.