gha: Swap asset/release in build matrix

This simply displays the asset name first in GH's UI, so that the
release name (always "test") is truncated rather than the asset name.
Makes things slightly easier to read.

e.g.

    build-asset (cloud-hypervisor-glibc, te...

instead of

    build-asset (test, cloud-hypervisor-gli...

Signed-off-by: Aurélien Bombo <abombo@microsoft.com>

.github/workflows/build-kata-static-tarball-amd64.yaml

@@ -19,8 +19,6 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        stage:
-          - ${{ inputs.stage }}
         asset:
           - cloud-hypervisor
           - cloud-hypervisor-glibc
@@ -46,9 +44,11 @@ jobs:
           - shim-v2
           - tdvf
           - virtiofsd
+        stage:
+          - ${{ inputs.stage }}
         exclude:
-          - stage: release
-            asset: cloud-hypervisor-glibc
+          - asset: cloud-hypervisor-glibc
+            stage: release
     steps:
       - name: Login to Kata Containers quay.io
         if: ${{ inputs.push-to-registry == 'yes' }}