Bot Updating Documentation

images/docker-tvheadend.md

@@ -238,6 +238,7 @@ We publish various [Docker Mods](https://github.com/linuxserver/docker-mods) to
 
 ## Versions
 
+* **17.03.23:** - Extract picons during build instead of init.
 * **23.02.23:** - Rebase to Alpine 3.17, migrate to s6v3, drop armhf support.
 * **31.08.22:** - Update sample env vars and how RUN_OPTS are handled.
 * **19.08.22:** - Switch to new picons builder.