docs: fix bun.lock section (#16088)

docs/install/lockfile.md

@@ -72,6 +72,8 @@ $ bun install --yarn
 print = "yarn"
 ```
 
+{% /codetabs %}
+
 ### Text-based lockfile
 
 Bun v1.1.39 introduced `bun.lock`, a JSONC formatted lockfile. `bun.lock` is human-readable and git-diffable without configuration, at [no cost to performance](https://bun.sh/blog/bun-lock-text-lockfile#cached-bun-install-gets-30-faster).
@@ -90,8 +92,6 @@ Once `bun.lock` is generated, Bun will use it for all subsequent installs and up
 
 Bun v1.2.0 will switch the default lockfile format to `bun.lock`.
 
-{% /codetabs %}
-
 {% details summary="Configuring lockfile" %}
 
 ```toml