fix(release): make commits separator in git log command more unique

[JamesHenry]

Current Behavior

The commits separator ---- used for the git log formatting behind the scenes could potentially appear in the commit body and is not unique enough.

Expected Behavior

We use a separator of |@-------@| which is extremely unlikely to appear organically in a commit message.

Related Issue(s)

Fixes #26241

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

1 Skipped Deployment

Name	Status	Preview	Updated (UTC)
nx-dev	⬜️ Ignored (Inspect)		Dec 9, 2024 1:21pm

[nx-cloud]

☁️ Nx Cloud Report

CI is running/has finished running commands for commit 7a58445. As they complete they will appear below. Click to see the status, the terminal output, and the build insights.

📂 See all runs for this CI Pipeline Execution

---

✅ Successfully ran 6 targets

• nx affected --targets=lint,test,build,e2e,e2e-ci --base=5d6119199937b8552655745d39b075cbe4a7df6c --head=7a5844539bff9d74b6ead07878b306e4dd676ff1 --parallel=3
• nx run-many -t check-imports check-commit check-lock-files check-codeowners documentation --parallel=1 --no-dte
• nx-cloud record -- nx-cloud conformance:check
• nx-cloud record -- nx format:check --base=5d6119199937b8552655745d39b075cbe4a7df6c --head=7a5844539bff9d74b6ead07878b306e4dd676ff1
• nx-cloud record -- nx sync:check
• nx documentation --no-dte

---

Sent with 💌 from NxCloud.

[github-actions]

This pull request has already been merged/closed. If you experience issues related to these changes, please open a new issue referencing this pull request.