CI: switch QUIC Interop on AWS-LC to common docker image

previously we used different docker images for different SSL libs,
now all of them are merged into one, lets switch to it

.github/workflows/quic-interop-aws-lc.yml

@@ -27,19 +27,16 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Clone docker image definition
-        run: |
-          git clone -b aws-lc https://github.com/haproxytech/haproxy-qns
-
       - name: Build and push Docker image
         id: push
         uses: docker/build-push-action@v5
         with:
-          context: haproxy-qns
+          context: https://github.com/haproxytech/haproxy-qns.git
           push: true
+          build-args: |
+            SSLLIB: AWS-LC
           tags: ghcr.io/${{ github.repository }}:aws-lc
 
-
   run:
     needs: build
     strategy: