attempt to skip cache restore step

.github/workflows/docker-publish.yml

@@ -54,13 +54,15 @@ jobs:
       - name: Setup Docker buildx
         uses: docker/setup-buildx-action@v2
         
-      - name: Cache Docker layers
-        uses: actions/cache@v3
-        with:
-          path: /tmp/.buildx-cache
-          key: ${{ runner.os }}-buildx-${{ github.sha }}
-          restore-keys: |
-            ${{ runner.os }}-buildx-
+      # This step is being disabled because the runner is on a self-hosted machine
+      # where the cache will stick between runs.
+      # - name: Cache Docker layers
+      #   uses: actions/cache@v3
+      #   with:
+      #     path: /tmp/.buildx-cache
+      #     key: ${{ runner.os }}-buildx-${{ github.sha }}
+      #     restore-keys: |
+      #       ${{ runner.os }}-buildx-
 
       # Login against a Docker registry except on PR
       # https://github.com/docker/login-action