Prepare release v2.5.0-rc1

docs/content/getting-started/install-traefik.md

@@ -16,7 +16,7 @@ Choose one of the [official Docker images](https://hub.docker.com/_/traefik) and
 
 ```bash
 docker run -d -p 8080:8080 -p 80:80 \
-    -v $PWD/traefik.yml:/etc/traefik/traefik.yml traefik:v2.4
+    -v $PWD/traefik.yml:/etc/traefik/traefik.yml traefik:v2.5
 ```
 
 For more details, go to the [Docker provider documentation](../providers/docker.md)

docs/content/getting-started/quick-start.md

@@ -15,7 +15,7 @@ version: '3'
 services:
   reverse-proxy:
     # The official v2 Traefik docker image
-    image: traefik:v2.4
+    image: traefik:v2.5
     # Enables the web UI and tells Traefik to listen to docker
     command: --api.insecure=true --providers.docker
     ports: