fix: d/changelog debian-changelog-line-too-long line 3 for version 2.765.37

This fixes lintian error

```
W: livecd-rootfs: debian-changelog-line-too-long line 3
```

debian/changelog

@@ -1,6 +1,7 @@
 livecd-rootfs (2.765.37) jammy; urgency=medium
 
-  * fix: Fix for calling unminimize if lxd-installer package not installed. (LP: #2049723)
+  * fix: Fix for calling unminimize if lxd-installer package
+    not installed. (LP: #2049723)
 
  -- Philip Roche <phil.roche@canonical.com>  Mon, 22 Jan 2024 13:26:43 +0000