build(deps): bump nginx in /plugins/traefik/e2e/kubernetes/manifests #706

Job	Run time
Build Sablier docker image once and share it to E2E jobs	1m 31s
Build Caddy docker image once and share it to Caddy E2E jobs	1m 9s
Build ProxyWasm Plugin once and share it to ProxyWasm E2E jobs	33s
Build Caddy Sablier Plugin	35s
Build Traefik Sablier Plugin	9s
Run Sablier E2E tests for Nginx NJS module with Sablier (docker)	1m 8s
Run Sablier E2E tests for Caddy middleware (docker)	1m 10s
Run Sablier E2E tests for Proxywasm middleware on Apache APISIX (docker)	1m 14s
Run Sablier E2E tests for Proxywasm middleware on Envoy (docker)	1m 4s
Run Sablier E2E tests for Caddy middleware (docker_swarm)	2m 15s
Run Sablier E2E tests for Proxywasm middleware on Nginx (docker)	1m 18s
Run Sablier E2E tests for Nginx NJS module with Sablier (docker_swarm)	2m 29s
Run Sablier E2E tests for Traefik middleware (docker)	1m 19s
Run Sablier E2E tests for Traefik middleware (docker_swarm)	2m 24s
Run Sablier E2E tests for Traefik middleware (kubernetes)	2m 37s
	20m 55s

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