Fix wording and length of two 1.6.1 changesets (#3234)

.changeset/otp-input-delete-key.md

@@ -2,4 +2,4 @@
 "@tabler/core": patch
 ---
 
-Fixed the Delete key in `.otp` moving the caret to the last slot; it now removes the character under the caret and keeps the caret in place, like Backspace.
+Fixed the Delete key in `.otp` jumping to the last slot; it now removes the character under the caret and keeps it in place.

.changeset/table-sort-icon-variables.md

@@ -2,4 +2,4 @@
 "@tabler/docs": patch
 ---
 
-Documented the swapped `$table-sort-asc-bg-image` and `$table-sort-desc-bg-image` variables in the 1.6 upgrade guide.
+Updated the 1.6 upgrade guide with the swapped `$table-sort-asc-bg-image` and `$table-sort-desc-bg-image` variables.