Remove required github creds

Author: octocolby

action.yml

@@ -27,23 +27,10 @@ inputs:
   sbom-file:
     description: 'Path to the SBOM file to upload'
     required: false
-  github-actor:
-    description: 'Used for authenticating to GHCR. Commonly $\{{ github.actor }}'
-    required: true
-  github-token:
-    description: 'Used for authenticating to GHCR. Commonly $\{{ secrets.GITHUB_TOKEN }}'
-    required: true
 
 runs:
   using: "composite"
   steps:
-    - name: Log in to GHCR
-      uses: docker/login-action@v3
-      with:
-        registry: ghcr.io
-        username: ${{ inputs.github-actor }}
-        password: ${{ inputs.github-token }}
-
     - name: Build sbom-uploader Docker image
       run: docker pull ghcr.io/octopusdeploy/sbom-uploader-go:latest
       shell: bash