fix: use python 3.15 rc1

[vinitkumar]

Summary by Sourcery

CI:

• Adjust GitHub Actions Python matrix to use Python 3.15.0-rc.1 instead of 3.15.0-beta.3.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Update CI workflow to test against Python 3.15 release candidate 1 instead of beta 3.

File-Level Changes

Change	Details	Files
Adjust GitHub Actions test matrix to target Python 3.15 RC1 instead of the earlier beta release.	Update the python-version matrix entry from 3.15.0-beta.3 to 3.15.0-rc.1 to reflect the newer pre-release build for Python 3.15. Keep all other Python and PyPy versions and OS entries in the matrix unchanged to maintain existing CI coverage.	.github/workflows/pythonpackage.yml

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (087d32c) to head (3519c96).

Additional details and impacted files

@@            Coverage Diff            @@
##            master      #381   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            7         7           
  Lines          920       920           
=========================================
  Hits           920       920           

Flag	Coverage Δ
unittests	100.00% <ø> (ø)

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[chatgpt-codex-connector]

💡 Codex Review

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Reviewed commit: 4883a6508a

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[vinitkumar]

@codex review

[chatgpt-codex-connector]

💡 Codex Review

Here are some automated review suggestions for this pull request.

Reviewed commit: 3519c968d3

ℹ️ About Codex in GitHub

Your team has set up Codex to review pull requests in this repo. Reviews are triggered when you

• Open a pull request for review
• Mark a draft as ready
• Comment "@codex review".

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