[main] (deps): Bump src/submodules/spa-templates from `9044834` to `257f68f`#43457

wtgodbe merged 1 commit intomaindotnet/aspnetcore:mainfrom

dependabot/submodules/src/submodules/spa-templates-257f68fdotnet/aspnetcore:dependabot/submodules/src/submodules/spa-templates-257f68fCopy head branch name to clipboard