change to ghcr

.github/workflows/build-pipeline.yml

@@ -3,17 +3,17 @@ name: Docker Image CI
 on: [push]
      # Environment variables available to all jobs and steps in this workflow
 env: # Or as an environment variable
-      docker_username: ${{ secrets.DOCKER_USER }}
-      docker_password: ${{ secrets.DOCKER_PW }}
+      docker_username: ${{ github.actor }}
+      docker_password: ${{ secrets.GITHUB_TOKEN }}
 
 jobs:
 
   test-code:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v4
       - name: Upload workspace
-        uses: actions/upload-artifact@v1
+        uses: actions/upload-artifact@v4
         with:
           name: workspace
           path: .
@@ -25,7 +25,7 @@ jobs:
     needs: test-code
     steps:
     - name: Download workspace
-      uses: actions/download-artifact@v1
+      uses: actions/download-artifact@v4
       with:
         name: workspace
         path: .
@@ -41,7 +41,7 @@ jobs:
     needs: build-docker-image
     steps:
     - name: Download workspace
-      uses: actions/download-artifact@v1
+      uses: actions/download-artifact@v4
       with:
         name: workspace
         path: .