Update Project.toml to v1

[odunbar]

Purpose

Now that the data-processing is refined, I think the interface is in good enough shape for V1
increasing rtol for test slightly as failures occur on the boundary (rtol=0.5, sometimes test attains rtol = 0.55)

Content

---

• I have read and checked the items on the review checklist.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.20%. Comparing base (5410a11) to head (5961bea).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #399   +/-   ##
=======================================
  Coverage   94.20%   94.20%           
=======================================
  Files          10       10           
  Lines        1813     1813           
=======================================
  Hits         1708     1708           
  Misses        105      105           

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