ci: remove Docker setup steps from CI workflow

Author: Kan-A-Pesh

.github/workflows/bump-and-publish.yml

@@ -117,27 +117,3 @@ jobs:
                       - @impulselab/testing: v${{ steps.bump.outputs.version }}
                   generate_release_notes: true
                   token: ${{ secrets.GITHUB_TOKEN }}
-
-            - name: Set up QEMU
-              uses: docker/setup-qemu-action@v3
-
-            - name: Set up Docker Buildx
-              uses: docker/setup-buildx-action@v3
-
-            - name: Log in to GitHub Container Registry
-              uses: docker/login-action@v3
-              with:
-                  registry: ghcr.io
-                  username: ${{ github.actor }}
-                  password: ${{ secrets.GITHUB_TOKEN }}
-
-            - name: Build and push Docker image
-              uses: docker/build-push-action@v5
-              with:
-                  context: .
-                  file: Dockerfile
-                  platforms: linux/amd64,linux/arm64
-                  push: true
-                  tags: |
-                      ghcr.io/${{ github.repository_owner }}/testing:latest
-                      ghcr.io/${{ github.repository_owner }}/testing:${{ steps.bump.outputs.version }}