Add missing env variables

Author: Oleg

.github/workflows/build.yml

@@ -26,6 +26,8 @@ jobs:
       env:
         GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         TARGET: ${{ github.sha }}
+        GH_REPOSITORY: ${{ github.repository }}
+        TAG: test
       run: >
         gh api
         --method POST