Add stac api env var

Author: danielfdsilva

.github/workflows/deploy-gh.yml

@@ -7,6 +7,7 @@ on:
 
 env:
   PUBLIC_URL: ${{ vars.PUBLIC_URL }}
+  REACT_APP_STAC_API: ${{ vars.REACT_APP_STAC_API }}
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}