Sync svelte docs (#1097)

sync svelte docs

Co-authored-by: Rich-Harris <[email protected]>

Author: github-actions[bot]

apps/svelte.dev/content/docs/svelte/98-reference/.generated/compile-errors.md

@@ -1012,6 +1012,12 @@ Unexpected end of input
 '%word%' is a reserved word in JavaScript and cannot be used here
 ```
 
+### unterminated_string_constant
+
+```
+Unterminated string constant
+```
+
 ### void_element_invalid_content
 
 ```

apps/svelte.dev/content/docs/svelte/98-reference/30-compiler-errors.md

@@ -1017,6 +1017,12 @@ Unexpected end of input
 '%word%' is a reserved word in JavaScript and cannot be used here
 ```
 
+### unterminated_string_constant
+
+```
+Unterminated string constant
+```
+
 ### void_element_invalid_content
 
 ```