[CI] Fix nightly container publishing (#19125)

Seems to fix it, see run
[here](https://github.com/intel/llvm/actions/runs/15860745834/job/44720440369).

Signed-off-by: Sarnie, Nick <[email protected]>

Author: sarnex

devops/actions/build_container/action.yml

@@ -31,8 +31,10 @@ runs:
       registry: ghcr.io
       username: ${{ inputs.username }}
       password: ${{ inputs.password }}
+  - name: Set up Docker Buildx
+    uses: docker/[email protected]
   - name: Build and Push Container
-    uses: docker/build-push-action@v3.2.0
+    uses: docker/build-push-action@v6.18.0
     with:
       push: ${{ inputs.push }}
       tags: ${{ inputs.tags }}