Revert loader upgrade to 1.2.3

Signed-off-by: Brandon Yates <[email protected]>

Author: bmyates

manifests/manifest.yml

@@ -30,7 +30,7 @@ components:
     branch: master
     dest_dir: level_zero
     repository: https://github.com/oneapi-src/level-zero
-    revision: v1.3.6
+    revision: v1.2.3
     type: git
   libva:
     dest_dir: libva