Add message if conflicting contract on dependency install

[chasefleming]

Closes #1560

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For contributor use:

• Targeted PR against master branch
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work
• Code follows the standards mentioned here
• Updated relevant documentation
• Re-reviewed Files changed in the Github PR explorer
• Added appropriate labels

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 41.37931% with 17 lines in your changes are missing coverage. Please review.

Project coverage is 39.66%. Comparing base (3b93072) to head (0c72153).

Files	Patch %	Lines
internal/dependencymanager/dependencyinstaller.go	41.37%	14 Missing and 3 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1561      +/-   ##
==========================================
- Coverage   39.71%   39.66%   -0.06%     
==========================================
  Files          51       51              
  Lines        3278     3300      +22     
==========================================
+ Hits         1302     1309       +7     
- Misses       1814     1826      +12     
- Partials      162      165       +3     

Flag	Coverage Δ
unittests	39.66% <41.37%> (-0.06%)	⬇️

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[gregsantos]

noice 🤘🏼

[sentry-io]

Suspect Issues

This pull request was deployed and Sentry observed the following issues:

• ‼️ unknown chain: `` View Issue

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