And also require HTTP. Also add `IPv6` to the keywords.
Fixing:
Linux AM openssl !ipv6 !--libcurl:
```
FAIL 1265: 'NO_PROXY with IPv6 numerical address' HTTP, HTTP proxy, http_proxy, NO_PROXY, noproxy
FAIL 1324: 'HTTP with --resolve and [ipv6address]' HTTP, HTTP GET, --resolve
FAIL 2086: 'Pre-request callback for HTTP IPv6' HTTP, IPv6
```
Ref: https://github.com/curl/curl/actions/runs/
14378524385/job/
40318328714?pr=17012#step:41:3789
Follow-up to
a09e49168aae63640868b4fb9fa55eb384ff41c7 #17005
Closes #17014
http_proxy
NO_PROXY
noproxy
+IPv6
</keywords>
</info>
# Client-side
<client>
+<features>
+http
+IPv6
+</features>
<server>
http-ipv6
</server>
<keywords>
HTTP
HTTP GET
+IPv6
--resolve
</keywords>
</info>
#
# Client-side
<client>
+<features>
+http
+IPv6
+</features>
<server>
http-ipv6
</server>
# Client-side
<client>
+<features>
+http
+IPv6
+</features>
<server>
http-ipv6
</server>