gateway-dk-ask: pin ASK to x6 xtables API migration

Update ASK commit to include the modernized iptables extensions that
use the x6 xtables API (.x6_parse, .x6_options, .x6_fcheck) instead
of the legacy API (.parse, .extra_opts). The legacy API doesn't work
with iptables 1.8.11 on Debian Trixie.

Author: Tomaz Zaman

extensions/gateway-dk-ask.sh

@@ -15,7 +15,7 @@
 # Source repos and refs (pinned to match Yocto)
 # For local testing: set ASK_REPO="file:///path/to/ASK" — the Docker mount hook below handles it
 declare -g ASK_REPO="https://github.com/we-are-mono/ASK.git"
-declare -g ASK_BRANCH="commit:8ba7807b15834ae6c0d5a82dddc71dcc367c1f4e"
+declare -g ASK_BRANCH="commit:6a30ee0adf0d66056b245d9d91ad7cdde083296c"
 declare -g FMLIB_REPO="https://github.com/nxp-qoriq/fmlib.git"
 declare -g FMLIB_COMMIT="7a58ecaf0d90d71d6b78d3ac7998282a472c4394"
 declare -g FMC_REPO="https://github.com/nxp-qoriq/fmc.git"