Fix linux container build

Author: csujedihy

.github/workflows/build-reuse-unix.yml

@@ -80,7 +80,7 @@ jobs:
     name: Build
     runs-on: ${{ inputs.os }}
     container:
-      image: ${{ inputs.plat == 'linux' && format('ghcr.io/microsoft/msquic/linux-build-xcomp:{0}', inputs.os) || '' }}
+      image: ${{ inputs.plat == 'linux' && format('ghcr.io/microsoft/msquic/linux-build-xcomp:{0}-cross', inputs.os) || '' }}
     steps:
     - name: Checkout repository
       uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11