Cannot use dash in variable name

Author: Siro256

.github/workflows/release_indev.yml

@@ -31,7 +31,7 @@ jobs:
       - name: Generate build serial
         id: script
         env:
-          VARIABLE_KEY: "INDEV-SERIAL"
+          VARIABLE_KEY: "INDEV_SERIAL"
         uses: actions/[email protected]
         with:
           github-token: ${{ steps.gh-app-token.outputs.token }}