ci: update build workflow to list abi directory contents

The change modifies the ls command to specifically list contents of the build/abi/ directory instead of the current directory, providing better visibility into the build artifacts during CI execution.

.github/workflows/build.yml

@@ -444,7 +444,7 @@ jobs:
           #SYMBOL_LIST=common/android/abi_gki_aarch64
           #cat Wild_KSU/kernel/export_symbol.txt | awk '{sub("[ \t]+","");print "  "$0}' >> $SYMBOL_LIST
 
-          ls -a
+          ls -a build/abi/
 
           cp ../kernel_patches/wild/bypass_patches/abi_bypass_gki.patch ./
           patch -p1 < abi_bypass_gki.patch