ci: fix RUN_FROM for the docker image

.github/workflows/_push-entrypoint.yaml

@@ -33,7 +33,7 @@ jobs:
       ELIXIR_VSN: ${{ steps.env.outputs.ELIXIR_VSN }}
       BUILDER: ${{ steps.env.outputs.BUILDER }}
       BUILD_FROM: ${{ steps.env.outputs.BUILD_FROM }}
-      RUN_FROM: ${{ steps.env.outputs.BUILD_FROM }}
+      RUN_FROM: ${{ steps.env.outputs.RUN_FROM }}
     steps:
       - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
         with: