Bring back archival builds

these came in clutch today so I'm not too hasty to get rid of them.

.github/workflows/main.yml

@@ -30,3 +30,37 @@ jobs:
       special-release: ${{ matrix.special-release || 'none' }}
       pm-preview: ${{ matrix.pm-preview || false }}
     secrets: inherit
+
+  publish-archive-release:
+    name: Publish archive release
+    needs: [all-builds]
+    runs-on: ubuntu-20.04
+    if: ${{ github.ref_name == 'stable' && github.ref_type == 'branch' && !contains(github.event.head_commit.message, '[no release]') }}
+
+    steps:
+      - name: Download artifacts
+        uses: actions/download-artifact@v4
+        with:
+          path: ${{ github.workspace }}
+
+      - name: Generate release notes
+        run: |
+          echo "Built by: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}" >> changelog.md
+          echo "Build number: ${{ github.run_number }}" >> changelog.md
+          echo -e "\n\n\n" >> changelog.md
+          echo ":information_source: **Linux/MacOS users**: Please see [this page](https://doc.pmmp.io/en/rtfd/faq/installation/opcache.so.html) to fix extension loading errors. Also, check out the [PocketMine-MP Linux/MacOS installer](https://doc.pmmp.io/en/rtfd/installation/get-dot-pmmp-dot-io.html)." >> changelog.md
+          echo ":warning: **Windows users**: Don't forget to install [Visual C++ Redistributable](https://aka.ms/vs/17/release/vc_redist.x64.exe) or the binary will not work!" >> changelog.md
+          echo -e "\n\n\n" >> changelog.md
+
+      - name: Create release
+        uses: ncipollo/[email protected]
+        with:
+          artifacts: |
+            ${{ github.workspace }}/PHP-*-Linux-PM*/*.tar.gz
+            ${{ github.workspace }}/PHP-*-MacOS-*-PM*/*.tar.gz
+            ${{ github.workspace }}/PHP-*-Windows-PM*/*.zip
+          name: PHP (Build ${{ github.run_number }}) - Archive
+          tag: php-build-${{ github.run_number }}
+          commit: ${{ github.sha }}
+          allowUpdates: false
+          bodyFile: ${{ github.workspace }}/changelog.md