[SPARK-50608][SQL][DOCS] Fix malformed configuration page caused by unclosed tags

### What changes were proposed in this pull request?

Fix the malformed configuration page caused by unclosed tags

### Why are the changes needed?
docfix

### Does this PR introduce _any_ user-facing change?
no

### How was this patch tested?

#### Before

![image](https://github.com/user-attachments/assets/d5fe7630-a26f-48cb-8bc3-9a93155eeef1)

#### After

![image](https://github.com/user-attachments/assets/57bcbfdf-b5b5-43ba-ab60-89dc062f6016)

### Was this patch authored or co-authored using generative AI tooling?

no

Closes apache#49223 from yaooqinn/SPARK-50608.

Authored-by: Kent Yao <[email protected]>
Signed-off-by: Kent Yao <[email protected]>

Author: yaooqinn

sql/gen-sql-config-docs.py

@@ -103,6 +103,14 @@ def generate_sql_configs_table_html(sql_configs, path):
                     )
                 )
 
+            if config.name == "spark.sql.files.ignoreInvalidPartitionPaths":
+                description = config.description.replace("<", "&lt;").replace(">", "&gt;")
+            elif config.name == "spark.sql.hive.quoteHiveStructFieldName":
+                description = config.description.replace(
+                    "<", "&lt;").replace(">", "&gt;").replace("`", "&#96;")
+            else:
+                description = config.description
+
             f.write(dedent(
                 """
                 <tr>
@@ -115,7 +123,7 @@ def generate_sql_configs_table_html(sql_configs, path):
                 .format(
                     name=config.name,
                     default=default,
-                    description=markdown.markdown(config.description),
+                    description=markdown.markdown(description),
                     version=config.version
                 )
             ))