verbose shell output in kernel version step

Author: gsingh93

.github/workflows/build2.yml

@@ -77,6 +77,8 @@ jobs:
       id: version
       shell: bash
       run: |
+        set -x
+
         LINUX_URL=https://cdn.kernel.org/pub/linux/kernel
         VERSION="${{ inputs.version }}"
         first_char=${VERSION:0:1}