Switch from the useless entrypoint to CMD

Signed-off-by: Vadim Markovtsev <vadim@sourced.tech>

action.yml

@@ -9,10 +9,10 @@ inputs:
 runs:
   using: "docker"
   image: "docker://srcd/hercules:latest"
-  entrypoint: "/bin/bash"
   args:
+    - "/bin/bash"
     - "-c"
     - "mkdir /github/home/hercules && cd /github/home/hercules && hercules ${{ inputs.args }} --pb /github/workspace | labours -m all -o result"
 branding:
   color: purple
-  icon: bar-chart-2
+  icon: bar-chart-2