fix: Update schemas for contracts to prevent collisions

[0xFable]

Avoids this problem

warning: output filename collision.
The bin target schema in package vault-manager v0.1.0 (vault-manager) has the same output filename as the bin target schema in package epoch-manager v0.1.0 (epoch-manager). Colliding filename is:
The targets should have unique names.
Consider changing their names to be unique or compiling them separately. This may become a hard error in the future; see rust-lang/cargo#6313.

Description and Motivation

Related Issues

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Checklist:

• I have read Migaloo's contribution guidelines.
• My pull request has a sound title and description (not something vague like Update index.md)
• All existing and new tests are passing.
• I updated/added relevant documentation.
• The code is formatted properly cargo fmt --all --.
• Clippy doesn't report any issues cargo clippy -- -D warnings.
• I have regenerated the schemas if needed cargo schema.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.50%. Comparing base (e59999f) to head (796f738).
Report is 1 commits behind head on release/v2_contracts.

Additional details and impacted files

@@                  Coverage Diff                  @@
##           release/v2_contracts     #300   +/-   ##
=====================================================
  Coverage                 88.50%   88.50%           
=====================================================
  Files                       252      252           
  Lines                     24029    24029           
=====================================================
  Hits                      21267    21267           
  Misses                     2762     2762           

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[kerber0x]

Awesome