fix: Removed unused input (#5)

fix

Author: jacopocarlini

ghcr-build-push/README.md

@@ -18,19 +18,17 @@ action https://github.com/users/OWNER/packages/container/REPOSITORY/settings
 - name: Buil and Push
   uses: pagopa/github-actions-template/ghcr-build-push@v1
   with:
-    branch: 'main'
     tag: '1.0.0'
     github_token: ${{ secrets.GITHUB_TOKEN }}
 
 ```
 
 ## Input
 
-| Param        | Description           | Required | Values   | Default |
-|--------------|-----------------------|----------|----------|---------|
-| branch       | Branch where chekcout | **true** | `string` |         |
-| tag          | A tag for the image   | **true** | `string` |         |
-| github_token | A GitHub token        | **true** | `string` |         |
+| Param        | Description                                     | Required | Values   | Default |
+|--------------|-------------------------------------------------|----------|----------|---------|
+| tag          | The github tag of application to build and push | **true** | `string` |         |
+| github_token | A GitHub token                                  | **true** | `string` |         |
 
 ## Output
 

ghcr-build-push/action.yml

@@ -2,10 +2,6 @@ name: Build and Push
 description: "Build and push a docker image on GitHub Container Registry"
 
 inputs:
-  branch:
-    required: true
-    type: string
-    description: Branch to build
   tag:
     required: true
     type: string
@@ -21,7 +17,7 @@ runs:
   steps:
     - uses: actions/checkout@v3
       with:
-        ref: ${{ inputs.branch }}
+        ref: ${{ inputs.tag }}
 
     - name: Login to GitHub Container Registry
       uses: docker/login-action@v2