deps: ci: Bump actions/setup-python from 5 to 6

Sourced from actions/setup-python's releases.

v6.0.0

What's Changed

Breaking Changes

• Upgrade to node 24 by @​salmanmkc in actions/setup-python#1164

Make sure your runner is on version v2.327.1 or later to ensure compatibility with this release. See Release Notes

Enhancements:

• Add support for pip-version by @​priyagupta108 in actions/setup-python#1129
• Enhance reading from .python-version by @​krystof-k in actions/setup-python#787
• Add version parsing from Pipfile by @​aradkdj in actions/setup-python#1067

Bug fixes:

• Clarify pythonLocation behaviour for PyPy and GraalPy in environment variables by @​aparnajyothi-y in actions/setup-python#1183
• Change missing cache directory error to warning by @​aparnajyothi-y in actions/setup-python#1182
• Add Architecture-Specific PATH Management for Python with --user Flag on Windows by @​aparnajyothi-y in actions/setup-python#1122
• Include python version in PyPy python-version output by @​cdce8p in actions/setup-python#1110
• Update docs: clarification on pip authentication with setup-python by @​priya-kinthali in actions/setup-python#1156

Dependency updates:

• Upgrade idna from 2.9 to 3.7 in /tests/data by @​dependabot[bot] in actions/setup-python#843
• Upgrade form-data to fix critical vulnerabilities #182 & #183 by @​aparnajyothi-y in actions/setup-python#1163
• Upgrade setuptools to 78.1.1 to fix path traversal vulnerability in PackageIndex.download by @​aparnajyothi-y in actions/setup-python#1165
• Upgrade actions/checkout from 4 to 5 by @​dependabot[bot] in actions/setup-python#1181
• Upgrade @​actions/tool-cache from 2.0.1 to 2.0.2 by @​dependabot[bot] in actions/setup-python#1095

New Contributors

• @​krystof-k made their first contribution in actions/setup-python#787
• @​cdce8p made their first contribution in actions/setup-python#1110
• @​aradkdj made their first contribution in actions/setup-python#1067

Full Changelog: https://github.com/actions/setup-python/compare/v5...v6.0.0

v5.6.0

What's Changed

• Workflow updates related to Ubuntu 20.04 by @​aparnajyothi-y in actions/setup-python#1065
• Fix for Candidate Not Iterable Error by @​aparnajyothi-y in actions/setup-python#1082
• Upgrade semver and @​types/semver by @​dependabot in actions/setup-python#1091
• Upgrade prettier from 2.8.8 to 3.5.3 by @​dependabot in actions/setup-python#1046
• Upgrade ts-jest from 29.1.2 to 29.3.2 by @​dependabot in actions/setup-python#1081

Full Changelog: https://github.com/actions/setup-python/compare/v5...v5.6.0

v5.5.0

What's Changed

Enhancements:

• Support free threaded Python versions like '3.13t' by @​colesbury in actions/setup-python#973
• Enhance Workflows: Include ubuntu-arm runners, Add e2e Testing for free threaded and Upgrade @​action/cache from 4.0.0 to 4.0.3 by @​priya-kinthali in actions/setup-python#1056
• Add support for .tool-versions file in setup-python by @​mahabaleshwars in actions/setup-python#1043

Bug fixes:

• Fix architecture for pypy on Linux ARM64 by @​mayeut in actions/setup-python#1011 This update maps arm64 to aarch64 for Linux ARM64 PyPy installations.

... (truncated)

• a309ff8 Bump urllib3 from 2.6.0 to 2.6.3 in /tests/data (#1264)
• bfe8cc5 Upgrade @​actions dependencies to Node 24 compatible versions (#1259)
• 4f41a90 Bump urllib3 from 2.5.0 to 2.6.0 in /tests/data (#1253)
• 83679a8 Bump @​types/node from 24.1.0 to 24.9.1 and update macos-13 to macos-15-intel ...
• bfc4944 Bump prettier from 3.5.3 to 3.6.2 (#1234)
• 97aeb3e Bump requests from 2.32.2 to 2.32.4 in /tests/data (#1130)
• 443da59 Bump actions/publish-action from 0.3.0 to 0.4.0 & Documentation update for pi...
• cfd55ca graalpy: add graalpy early-access and windows builds (#880)
• bba65e5 Bump typescript from 5.4.2 to 5.9.3 and update docs/advanced-usage.md (#1094)
• 18566f8 Improve wording and "fix example" (remove 3.13) on testing against pre-releas...
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