chore(deps): update traefik docker tag to v3.1.4 #666

Job	Run time
Build Sablier docker image once and share it to E2E jobs	1m 40s
Build Caddy docker image once and share it to Caddy E2E jobs	1m 11s
Build Caddy Sablier Plugin	8s
Build ProxyWasm Plugin once and share it to ProxyWasm E2E jobs	33s
Build Traefik Sablier Plugin	13s
Run Sablier E2E tests for Nginx NJS module with Sablier (docker)	1m 36s
Run Sablier E2E tests for Nginx NJS module with Sablier (docker_swarm)	2m 33s
Run Sablier E2E tests for Proxywasm middleware on Apache APISIX (docker)	1m 40s
Run Sablier E2E tests for Proxywasm middleware on Envoy (docker)	1m 30s
Run Sablier E2E tests for Caddy middleware (docker)	1m 25s
Run Sablier E2E tests for Proxywasm middleware on Nginx (docker)	1m 37s
Run Sablier E2E tests for Caddy middleware (docker_swarm)	2m 31s
Run Sablier E2E tests for Traefik middleware (docker)	1m 21s
Run Sablier E2E tests for Traefik middleware (docker_swarm)	2m 50s
Run Sablier E2E tests for Traefik middleware (kubernetes)	2m 27s
	23m 15s

Provide feedback