CI: Update softprops/action-gh-release to v2.0.4

This is the last remaining action in this repo that was still using
node16. Updating should remove the associated warnings.

.github/workflows/push.yaml

@@ -106,7 +106,7 @@ jobs:
       - name: Create Release 🛫
         if: fromJSON(steps.check.outputs.validTag)
         id: create_release
-        uses: softprops/action-gh-release@d4e8205d7e959a9107da6396278b2f1f07af0f9b
+        uses: softprops/action-gh-release@9d7c94cfd0a1f3ed45544c887983e9fa900f0564
         with:
           draft: true
           prerelease: ${{ fromJSON(steps.check.outputs.prerelease) }}