Changelog v22.03.6

f894e167 Set release date for 22.03.6.
0ac5e327 pinctrl: dns: Ignore additional records.
7f63921c ovn-ic: Fix global blacklist filter for IPv6 addresses.
dd6d78d4 Documentation: Fix broken links in ovn-sandbox.rst.
e2117a8d github: Update versions of action dependencies (Node.js 20).
aff94da5 actions: Use random port selection for SNAT with external_port_range.
8396f007 ovn-ic: Handle NB:name updates properly.
47d61c5e controller: fixed potential segfault when changing tunnel_key and deleting ls.
26242f10 northd: Use proper field for lookup_nd
3772a121 test: add dedicated test for garp-max-timeout
1912442b treewide: Fix small memory leaks reported by static analysis
03b622f7 ovs: Bump submodule to include IDL “spurious delete” fix.
8d4c56e3 Correct ethtype referencing incorrect values
06639f10 northd: forward arp request to lrp snat on.
3728fbf7 controller: make garp_max_timeout configurable
8548abb3 system-tests: Consolidate wait condition in CoPP test
72b82f87 pinctrl: Fix up comments about sending RST packets for healthcheck.
037b1dcc fmt_pkt: make sure scapy-server is started once
e6f1df67 fmt_pkt: improve scapy-server logging
0eaacaac fmt_pkt: use -S check to wait for scapy sock file
97bf3ca9 fmt_pkt: don’t subshell when calling ovs-appctl
91d7cb79 controller: fix group_table and meter_table allocation
3fb30fb8 Prepare for 22.03.6.