github-actions: Test LTP with LTS 8.6

Signed-off-by: Shreeya Patel <spatel@ciq.com>

Author: shreeya-patel98

.github/workflows/kernel-build-and-test-multiarch.yml

@@ -7,5 +7,5 @@ on:
 
 jobs:
   kernelCI:
-    uses: ctrliq/kernel-src-tree/.github/workflows/kernel-build-and-test-multiarch.yml@main
+    uses: ctrliq/kernel-src-tree/.github/workflows/kernel-build-and-test-multiarch.yml@shreeya_kernelci_ltp
     secrets: inherit