Set fixed CL prerelease body, add release_name input, and publish only PS2BBLE.zip

[NathanNeurotic]

Motivation

• Ensure the prerelease body is always the exact required markdown including the logo image, readme link, test sheet link, and the heading ### PS2BBLE.zip contains all versions.
• Allow the prerelease name to come from a workflow_dispatch input or, if missing, from the pushed tag, preferring the workflow input when present.
• Publish exactly one artifact (PS2BBLE.zip) containing normalized dist/<variant>/PS2BBLE.ELF entries and mark the GitHub release as a prerelease.
• Trigger the workflow on tag pushes in addition to branch pushes and PRs so tag-based invocations can supply the release name.

Description

• Add a workflow_dispatch input release_name and include tags: ['*'] under on.push, then add a Resolve release name step that prefers the workflow input and falls back to GITHUB_REF_NAME.
• Rework the build packaging to upload per-variant staged ELFs as built-elf-<variant> and add a new package-elves job that downloads those artifacts, normalizes them into dist/<variant>/PS2BBLE.ELF, creates PS2BBLE.zip, and uploads ps2bble-zip-${{ github.sha }}.
• Simplify the prerelease job to download the single PS2BBLE.zip artifact and publish a prerelease using softprops/action-gh-release with the exact fixed body content that embeds the release name via steps.release_name.outputs.value and uploads only release-artifacts/PS2BBLE.zip.
• Remove the previous multi-tarball packaging and generated release-note flow and update step names/paths to reflect the new per-variant staging and single-zip publishing.

Testing

• No automated tests were executed because this is a workflow-only change and its behavior is validated at runtime in GitHub Actions.

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Codex Task

[codacy-production]

Codacy's Analysis Summary

0 new issue (≤ 0 issue)
0 new security issue

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