Expand dependency conflict resolution to allow different versions if major-version is compatible

[jsuereth]

• Fix forge tests
• Add new tests for dependencies
• Implement very simple "latest version in major-series wins" conflict resolution algorithm

[codecov]

Codecov Report

❌ Patch coverage is 68.78049% with 128 lines in your changes missing coverage. Please review.
✅ Project coverage is 81.1%. Comparing base (62d1f2d) to head (c356743).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
crates/weaver_resolver/src/dependency.rs	63.9%	70 Missing ⚠️
crates/weaver_resolver/src/attribute.rs	69.5%	32 Missing ⚠️
crates/weaver_resolver/src/loader.rs	53.6%	19 Missing ⚠️
crates/weaver_resolver/src/lib.rs	86.6%	4 Missing ⚠️
crates/weaver_resolver/src/registry.rs	85.7%	3 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##            main   #1573     +/-   ##
=======================================
- Coverage   82.3%   81.1%   -1.3%     
=======================================
  Files        129     130      +1     
  Lines      11004   11514    +510     
=======================================
+ Hits        9066    9344    +278     
- Misses      1938    2170    +232     

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[lmolkova]

is this a warning/NFE ? ConversionError seems to be regular error

[opentelemetry-pr-dashboard]

This PR has review comments. Review suggestions, whether from maintainers or automated reviewers, aren't always correct or required. Please evaluate each comment on its merits, then make sure each thread has a clear outcome.

For example, link to the commit if you applied a suggestion, explain why it wasn't applied, or ask a follow-up question.

Automation flags a PR for human review once every review thread has a reply or is marked as resolved.

Status across open PRs is visible on the pull request dashboard.