Update action.sh: fix typo

Author: andi34

action.sh

@@ -38,7 +38,8 @@ fi
 if [ -n "${GITHUB_ORIGIN}" ]; then
     print_info "setup with GITHUB_ORIGIN"
 else
-    export CONFIG_FILE=${GITHUB_REPOSITORY}
+    print_info "setup with GITHUB_REPOSITORY"
+    export GITHUB_ORIGIN=${GITHUB_REPOSITORY}
 fi
 
 if [ -n "${GITHUB_TOKEN}" ]; then