Change env variable in playground

[mbartlett21]

It looks like the variable name was wrong so will see if that helps.

[github-actions]

Teal Playground URL: https://1066--teal-playground-preview.netlify.app

[mbartlett21]

@hishamhm I'm not sure how to test this without pushing it to main.

According to Github it is using my new file but in the logs it isn't and the end result still points back at tl/master.

21s
Run cd /home/runner/work/tl/tl/teal-playground
  cd /home/runner/work/tl/tl/teal-playground
  yarn build
  shell: /usr/bin/bash -e {0}
  env:
    VUE_APP_TL_PACKAGE_PATH_URL: https://raw.githubusercontent.com/mbartlett21/tl/vuevite/?.lua

https://github.com/teal-language/tl/actions/runs/20838788441/workflow?pr=1066