Update release-alpine.yml

Author: lmangani

.github/workflows/release-alpine.yml

@@ -30,7 +30,6 @@ jobs:
           git
           go
         volumes: ${{ steps.alpine-target.outputs.root-path }}:${{ env.CROSS_SYSROOT }}
-      shell-name: alpine.sh
 
     - name: Install LuaJit 2.1
       run: |