Add support for IPv6 #6824

Job	Run time
Checks and variables	1m 23s
NJS Unit Tests	16s
Unit Tests	1m 16s
Build Binary	28s
Build Plus images / build	47s
Build OSS images (ngf, linux/arm64, linux/amd64) / build	1m 22s
Build OSS images (nginx, linux/arm64, linux/amd64) / build	1m 12s
Functional tests (nginx, v1.30.2) / Run Tests	8m 57s
Functional tests (plus, v1.25.16) / Run Tests	8m 40s
Functional tests (nginx, v1.25.16) / Run Tests	9m 3s
Conformance tests (nginx, v1.25.16, false) / Run Tests	6m 24s
Conformance tests (nginx, v1.25.16, true) / Run Tests	6m 53s
Conformance tests (nginx, v1.30.2, false) / Run Tests	6m 22s
Conformance tests (nginx, v1.30.2, true) / Run Tests	7m 0s
Conformance tests (plus, v1.25.16, false) / Run Tests	5m 58s
Conformance tests (plus, v1.30.2, false) / Run Tests	5m 47s
Conformance tests (plus, v1.25.16, true) / Run Tests	6m 9s
Conformance tests (plus, v1.30.2, true) / Run Tests	6m 56s
Functional tests (plus, v1.30.2) / Run Tests	9m 2s
Helm Tests (nginx, v1.25.16) / Helm Tests Local	1m 42s
Helm Tests (nginx, v1.25.16) / Helm Tests Remote	0s
Helm Tests (nginx, v1.30.2) / Helm Tests Remote	0s
Helm Tests (nginx, v1.30.2) / Helm Tests Local	2m 4s
Helm Tests (plus, v1.25.16) / Helm Tests Remote	0s
Helm Tests (plus, v1.25.16) / Helm Tests Local	1m 40s
Helm Tests (plus, v1.30.2) / Helm Tests Remote	0s
Helm Tests (plus, v1.30.2) / Helm Tests Local	1m 47s
Package and Publish Helm Chart	0s
	1h 41m 8s

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