Update docs (#7193)

docs/cli/update.md

@@ -4,4 +4,14 @@ To update all dependencies to the latest version _that's compatible with the ver
 $ bun update
 ```
 
-This will not edit your `package.json`. There's currently no command to force-update all dependencies to the latest version regardless version ranges.
+## `--force`
+
+{% callout %}
+**Alias** — `-f`
+{% /callout %}
+
+Bun by default respect the version rages defined in your package.json, to ignore this and update to the latest version you can pass in the `force` flag.
+
+```sh
+$ bun update --force
+```