Add opt-in release updater and pause-menu entry with staged replacement

.github/workflows/release.yml

@@ -18,6 +18,8 @@ jobs:
         run: python -m pip install pyinstaller==6.19.0 numpy==2.2.6 Pillow==11.3.0
       - name: Build Windows package
         shell: pwsh
+        env:
+          RELEASE_TAG: ${{ github.event.release.tag_name }}
         run: ./Build-Release.ps1
       - uses: actions/upload-artifact@v4
         with:
@@ -25,10 +27,11 @@ jobs:
           path: |
             target/skate3rust-windows-x64.zip
             target/skate3rust-windows-x64.zip.sha256
+            target/release.json
       - name: Attach to release
         if: github.event_name == 'release'
         shell: pwsh
         env:
           GH_TOKEN: ${{ github.token }}
           RELEASE_TAG: ${{ github.event.release.tag_name }}
-        run: gh release upload "$env:RELEASE_TAG" target/skate3rust-windows-x64.zip target/skate3rust-windows-x64.zip.sha256 --clobber
+        run: gh release upload "$env:RELEASE_TAG" target/skate3rust-windows-x64.zip target/skate3rust-windows-x64.zip.sha256 target/release.json --clobber