[build] Bump setup-python version in workflows

[cgoldberg]

User description

💥 What does this PR do?

• Bump version of setup-python to the latest to keep CI up to date
• Bump vesion of tox used in Python workflows

🔄 Types of changes

• CI/Build update

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PR Type

Other

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Description

• Bump setup-python action from v4/v5 to v6

• Update tox version from 4.27.0 to 4.30.2

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Diagram Walkthrough

flowchart LR A["CI Workflows"] --> B["setup-python v6"] A --> C["tox 4.30.2"] 

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File Walkthrough

Relevant files

Dependencies

ci-python.yml Update Python CI dependencies                                                        .github/workflows/ci-python.yml Update setup-python action from v4 to v6 in docs and mypy jobs Bump tox version from 4.27.0 to 4.30.2 +4/-4      update-documentation.yml Bump setup-python version                                                                .github/workflows/update-documentation.yml Update setup-python action from v5 to v6 +1/-1

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[qodo-merge-pro]

PR Reviewer Guide 🔍

Here are some key observations to aid the review process:

⏱️ Estimated effort to review: 1 🔵⚪⚪⚪⚪

🧪 No relevant tests

🔒 No security concerns identified

⚡ Recommended focus areas for review Tooling Compatibility Verify that tox 4.30.2 and actions/setup-python v6 are compatible with the pinned Python 3.9 environment and the existing tox config (py/tox.ini), especially for the docs and mypy environments. - name: Set up Python 3.9 uses: actions/setup-python@v6 with: python-version: 3.9 - name: Install dependencies run: | python -m pip install --upgrade pip pip install tox==4.30.2 - name: Generate docs run: tox -c py/tox.ini env: Caching Opportunity Consider enabling actions/setup-python v6 caching for pip to speed up installs in docs and mypy jobs. - name: Set up Python 3.9 uses: actions/setup-python@v6 with: python-version: 3.9 - name: Install dependencies run: | python -m pip install --upgrade pip pip install tox==4.30.2 - name: Generate docs run: tox -c py/tox.ini env:

[qodo-merge-pro]

PR Code Suggestions ✨

Explore these optional code suggestions:

Category	Suggestion	Impact
Learned best practice	Pin action to commit SHA Pin the action to the release commit SHA (with a comment for the version) instead of a floating tag. .github/workflows/ci-python.yml [24] -uses: actions/setup-python@v6 +uses: actions/setup-python@<commit-sha> # v6 Apply / Chat Suggestion importance[1-10]: 6 __ Why: Relevant best practice - Pin GitHub Actions by commit SHA to prevent supply-chain attacks and ensure reproducible builds.	Low
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