chore(deps): update ferrlabs/.github digest to 5ff5438

[ferrlabs-renovate]

This PR contains the following updates:

Package	Type	Update	Change
FerrLabs/.github (changelog)	workflow	digest	c2ba2d8 → 5ff5438

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[ferrfleet]

Digest-only bump of FerrLabs/.github (c2ba2d8 → 5ff5438), touching the three call sites for reusable-pr-title.yml, reusable-renovate-dispatch.yml, and reusable-security-scan.yml.

Checked the two commits between those digests (#332 pnpm v12 bump, #338 sccache node-local garage fix): they only touch workflow-templates/ci-{astro,node}.yml, .github/actions/setup-sccache/action.yml, and .github/workflows/reusable-ci-rust.yml. None of the three reusable workflows this repo actually calls are in that set, so this is a no-op for Benchmarks beyond the pinned SHA comment.

CI on the PR is green so far (Lint, PR title, gitleaks, snyk all passed); Test and the remaining security-scan jobs were still in progress at review time but nothing failing. Uneventful, safe to merge.