switched secrets to virtual env

Signed-off-by: Damian Perera <15967502+damianperera@users.noreply.github.com>

Author: damianperera

.github/workflows/cd.yml

@@ -35,7 +35,7 @@ jobs:
         working-directory: frontend/
         run: yarn build
         env:
-          GOOGLE_ANALYTICS_TRACKING_ID: ${{ secrets.GOOGLE_ANALYTICS_TRACKING_ID }}
+          GOOGLE_ANALYTICS_TRACKING_ID: ${{ env.GOOGLE_ANALYTICS_TRACKING_ID }}
       - name: Package
         working-directory: frontend/
         shell: bash