accel-ppp-ng: T9039: update the commit hash

for the fix for legacy hash algorithm loading
to make MS-CHAP work correctly again

Author: dmbaturin

scripts/package-build/linux-kernel/package.toml

@@ -18,7 +18,7 @@ build_cmd = "build_linux_firmware"
 
 [[packages]]
 name = "accel-ppp-ng"
-commit_id = "64e351d"
+commit_id = "69c867c"
 scm_url = "https://github.com/accel-ppp/accel-ppp-ng.git"
 build_cmd = "build_accel_ppp_ng"