feat: add IPv6 support

[wey-gu]

What type of PR is this?

• bug
• feature
• enhancement

What problem(s) does this PR solve?

Issue(s) number: #4955

Description:

Now it should support dual stack for some friends in the community. This rough change is targeted to create a branch for their quick testing on IPv6-only env(that unfortunately doesn't come with a DNS to mitigate with fqdn)

Note intToIPv4 is not handled due to it's probably for the metad of NebulaGraph v1 only.

thread on creating this pr: https://community-chat.nebula-graph.io/t/16091432/another-question-is-does-nebula-support-ipv6-and-data-migrat#65aae6a6-8b13-4be9-b874-e56de5bc0c82

Checklist:

Tests:

• Unit test(positive and negative cases)
• Function test
• Performance test
• N/A

Affects:

• Documentation affected (Please add the label if documentation needs to be modified.)
• Incompatibility (If it breaks the compatibility, please describe it and add the label.）
• If it's needed to cherry-pick (If cherry-pick to some branches is required, please label the destination version(s).)
• Performance impacted: Consumes more CPU/Memory

Release notes:

IPv6 is supported but not fully tested.

[wey-gu]

ping @congguosn , as talked via slack, you could give a try on your ipv6 env.

[wey-gu]

It seems to work

Log line format: [IWEF]yyyymmdd hh:mm:ss.uuuuuu threadid file:line] msg
I20231129 14:19:54.027256 62360 GraphDaemon.cpp:122] Starting Graph HTTP Service
I20231129 14:19:54.032068 62362 WebService.cpp:124] Web service started on HTTP[19669]
I20231129 14:19:54.032181 62360 GraphDaemon.cpp:136] Number of networking IO threads: 72
I20231129 14:19:54.032199 62360 GraphDaemon.cpp:145] Number of worker threads: 72
I20231129 14:19:54.043664 62360 MetaClient.cpp:80] Create meta client to "127.0.0.1":9559
I20231129 14:19:54.043692 62360 MetaClient.cpp:81] root path: /usr/local/nebula, data path size: 0
I20231129 14:19:54.098246 62360 MetaClient.cpp:3269] Load leader ok
I20231129 14:19:54.102814 62360 MetaClient.cpp:162] Register time task for heartbeat!
I20231129 14:19:54.105023 62360 GraphSessionManager.cpp:337] Total of 0 sessions are loaded
I20231129 14:19:54.106323 62360 MemoryTracker.h:106] MemoryTracker update limit 8589934592.000GiB -> 150.968GiB
I20231129 14:19:54.106411 62360 MemoryUtils.cpp:171] MemoryTracker set static ratio: 0.8
I20231129 14:19:54.108557 62360 Snowflake.cpp:17] WorkerId init success: 1
I20231129 14:19:54.109128 62469 GraphServer.cpp:63] Starting nebula-graphd on fdd5:4123:e98d:4a86:2832:4cff:fe06:4c4:9669

❯ grep local_ip etc/nebula-graphd.conf
--local_ip=fdd5:4123:e98d:4a86:2832:4cff:fe06:4c4

❯ nebula-console -port 9669 -user root -p nebula -addr fdd5:4123:e98d:4a86:2832:4cff:fe06:4c4

Welcome to Nebula Graph!

(root@nebula) [(none)]> show hosts graph
+------------------------------------------+------+----------+---------+--------------+---------+
| Host                                     | Port | Status   | Role    | Git Info Sha | Version |
+------------------------------------------+------+----------+---------+--------------+---------+
| "fdd5:4123:e98d:4a86:2832:4cff:fe06:4c4" | 9669 | "ONLINE" | "GRAPH" | "e1d7b0051"  | ""      |
+------------------------------------------+------+----------+---------+--------------+---------+
Got 1 rows (time spent 4.773ms/6.843921ms)