Pin third-party GitHub Actions to commit SHAs

[ka0n]

Summary

Pin third-party GitHub Actions used by the release and validation workflows to full commit SHAs.

This reduces the supply-chain risk from mutable tags and branches while keeping the currently referenced action revisions unchanged.

Changes

• Pin marvinpinto/action-automatic-releases@latest
• Pin hacs/action@main
• Pin home-assistant/actions/hassfest@master
• Pin TrueBrain/actions-flake8@v2

The pinned SHAs correspond to the revisions currently referenced by those tags/branches. Inline comments retain the original refs for easier future maintenance and Dependabot updates.

Scope

No application code or workflow behavior is intentionally changed.

Summary by Sourcery

Pin third-party GitHub Actions in validation and release workflows to fixed commit SHAs to reduce supply-chain risk from mutable tags.

CI:

• Update validation workflow to use commit-SHA pins for HACS validation, hassfest, and Flake8 GitHub Actions.
• Update release workflow to pin the automatic releases GitHub Action to a specific commit SHA.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Pins all third-party GitHub Actions referenced in validate and release workflows to specific commit SHAs while preserving current behavior and documenting the original tags/branches inline.

File-Level Changes

Change	Details	Files
Pin third-party validation actions in the CI workflow to immutable commit SHAs while preserving their current revisions.	Replace hacs/action ref from the mutable main branch to a specific commit SHA that matches the current main revision Replace home-assistant/actions/hassfest ref from the mutable master branch to a specific commit SHA that matches the current master revision Add inline comments indicating the original branch refs for future maintenance and dependency updates	.github/workflows/validate.yml
Pin the release and lint-related GitHub Actions to specific commit SHAs to reduce supply-chain risk.	Replace TrueBrain/actions-flake8 ref from version tag v2 to the commit SHA backing that tag Replace marvinpinto/action-automatic-releases ref from the mutable latest tag to the specific commit SHA currently pointed to by latest Add inline comments indicating the original tag refs for easier future updates	.github/workflows/validate.yml .github/workflows/release.yml

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