Feat: add Dockerfile target support

action.yaml

@@ -12,6 +12,10 @@ inputs:
     description: "The file location of Dockerfile"
     required: false
     default: ./Dockerfile
+  target:
+    description: "The target in Dockerfile"
+    required: false
+    default: ''
   push:
     description: "Whether the container will be pushed or not"
     required: false
@@ -93,6 +97,7 @@ runs:
       with:
         context: ${{ inputs.context }}
         file: ${{ inputs.file }}
+        target: ${{ inputs.target }}
         platforms: linux/amd64
         push: true
         tags: ${{ steps.meta.outputs.tags }}