docs: update references to renovate/renovate (#8757)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

docs/usage/self-hosting.md

@@ -25,8 +25,8 @@ For example, all the following are valid tags:
 
 ```sh
 $ docker run --rm renovate/renovate
-$ docker run --rm renovate/renovate:24.42.1
-$ docker run --rm renovate/renovate:24.42
+$ docker run --rm renovate/renovate:24.53.0
+$ docker run --rm renovate/renovate:24.53
 $ docker run --rm renovate/renovate:24
 ```
 
@@ -62,7 +62,7 @@ spec:
             - name: renovate
               # Update this to the latest available and then enable Renovate on
               # the manifest
-              image: renovate/renovate:24.42.1
+              image: renovate/renovate:24.53.0
               args:
                 - user/repo
               # Environment Variables
@@ -118,7 +118,7 @@ spec:
       template:
         spec:
           containers:
-            - image: renovate/renovate:24.42.1
+            - image: renovate/renovate:24.53.0
               name: renovate-bot
               env: # For illustration purposes, please use secrets.
                 - name: RENOVATE_PLATFORM
@@ -403,7 +403,7 @@ spec:
           containers:
             - name: renovate
               # Update this to the latest available and then enable Renovate on the manifest
-              image: renovate/renovate:24.42.1
+              image: renovate/renovate:24.53.0
               volumeMounts:
                 - name: ssh-key-volume
                   readOnly: true