Update FFmpeg to v8.1.2

[rob93c]

Summary by CodeRabbit

Chores

• Updated FFmpeg to version 8.1.2 in Docker build environment and CI/CD pipeline.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: e718e8bf-f840-4a63-9ad4-5229e13aebf0

📥 Commits

Reviewing files that changed from the base of the PR and between d69ba03 and 2578bff.

📒 Files selected for processing (2)

• .github/workflows/unit-test.yml
• Dockerfile

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📝 Walkthrough

Walkthrough

FFmpeg is bumped from version 8.1.1 to 8.1.2 in two places: the Dockerfile builder stage, which copies static binaries from mwader/static-ffmpeg, and the CI unit-test workflow, which pins the ffmpeg-version input for the local setup-ffmpeg action.

Changes

FFmpeg 8.1.2 Version Bump

Layer / File(s)	Summary
FFmpeg 8.1.1 → 8.1.2 in Dockerfile and CI workflow Dockerfile, .github/workflows/unit-test.yml	Dockerfile builder stage pulls ff* binaries from mwader/static-ffmpeg:8.1.2; CI workflow pins ffmpeg-version to 8.1.2.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• Stickerifier/Stickerify#286: Previously updated the same CI workflow and Dockerfile to bump the pinned static-ffmpeg version, following the same code path as this PR.
• Stickerifier/Stickerify#483: Also bumped ffmpeg-version in .github/workflows/unit-test.yml and the mwader/static-ffmpeg tag in Dockerfile within the 8.1 release line.
• Stickerifier/Stickerify#499: Directly precedes this PR, bumping the same two locations to 8.1.1 before this PR advances them to 8.1.2.

Suggested labels

dependencies, docker, cicd

Suggested reviewers

• MartelliEnrico

Poem

🐇 Hop, hop, a tiny bump today,
FFmpeg leaps from .1 to .2 hooray!
The Dockerfile builder gets fresher bins,
The CI workflow grins and grins.
A one-line change, yet victory wins! 🎉

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The pull request title directly and clearly summarizes the main change: updating FFmpeg from v8.1.1 to v8.1.2 across both the CI workflow and Dockerfile.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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