test: tests for HTTP/3

Co-authored-by: Nicolas Duchon <nicolas.duchon@gmail.com>
Co-authored-by: Niek <100143256+SchoNie@users.noreply.github.com>

test/test_http3/test_http3_global_enabled.yml

@@ -0,0 +1,15 @@
+services:
+  http3-global-enabled:
+    image: web
+    expose:
+      - "80"
+    environment:
+      WEB_PORTS: 80
+      VIRTUAL_HOST: http3-global-enabled.nginx-proxy.tld
+
+  sut:
+    image: nginxproxy/nginx-proxy:test
+    volumes:
+      - /var/run/docker.sock:/tmp/docker.sock:ro
+    environment:
+      ENABLE_HTTP3: "true"