Switch from an Action to gh release

Fewer supply chain risks whooooo

.github/scripts/draft-release.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+set -euo pipefail
+
+tag=$1
+[ $# -eq 1 ]
+
+flags=(--draft --fail-on-no-commits --verify-tag)
+if [[ "$tag" = v*-rc* ]]; then
+	flags+=(--prerelease)
+fi
+
+files=(
+	win64/rgbds-win64.zip
+	win32/rgbds-win32.zip
+	macos/rgbds-macos.zip
+	linux/rgbds-linux-x86_64.tar.xz
+	rgbds-source.tar.gz
+)
+
+set -x
+gh release create "${flags[@]}" --notes-file - "$tag" "${files[@]}" <<"EOF"
+Please ensure that the packages below work properly.
+Once that's done, replace this text with the changelog, un-draft the release, and update the `release` branch.
+By the way, if you forgot to update `include/version.hpp`, RGBASM's version test is going to fail in the tag's regression testing! (Use `git push --delete origin <tag>` to delete it)
+EOF

.github/workflows/create-release-artifacts.yml

@@ -113,24 +113,11 @@ jobs:
       - name: Package sources
         run: |
           make dist Q=
-          ls
+      - name: Download all binary packages
-      - name: Download Linux binaries
         uses: actions/download-artifact@v8
-      - name: Release
+      - name: Draft the release
-        uses: softprops/action-gh-release@v2
+        run: |
-        with:
+          .github/scripts/draft-release.sh "${ref#refs/tags/}"
-          body: |
-            Please ensure that the packages below work properly.
-            Once that's done, replace this text with the changelog, un-draft the release, and update the `release` branch.
-            By the way, if you forgot to update `include/version.hpp`, RGBASM's version test is going to fail in the tag's regression testing! (Use `git push --delete origin <tag>` to delete it)
-          draft: true # Don't publish the release quite yet...
-          prerelease: ${{ contains(github.ref, '-rc') }}
-          files: |
-            win32/rgbds-win32.zip
-            win64/rgbds-win64.zip
-            macos/rgbds-macos.zip
-            linux/rgbds-linux-x86_64.tar.xz
-            rgbds-source.tar.gz
-          fail_on_unmatched_files: true
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          ref: ${{ github.ref_name }}
+          GH_TOKEN: ${{ github.token }} # Required by the `gh` command.