[CI] Update nv-build-and-test workflow

Author: youngyoung01

.github/workflows/nv-build-and-test.yml

@@ -7,6 +7,7 @@ on:
     branches: [ "main", "triton_v3.2.x", "triton_v3.3.x", "triton_v3.4.x", "triton_v3.5.x" ]
   pull_request:
     branches: [ "main", "triton_v3.2.x", "triton_v3.3.x", "triton_v3.4.x", "triton_v3.5.x" ]
+  workflow_call:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}