[create-pull-request] automated change (testcontainers#9549)

Co-authored-by: eddumelendez <1810547+eddumelendez@users.noreply.github.com>

Author: github-actions[bot]

mkdocs.yml

@@ -136,4 +136,4 @@ nav:
           - bounty.md
 edit_uri: edit/main/docs/
 extra:
-    latest_version: 1.20.3
+    latest_version: 1.20.4