[SPARK-48703][SQL][TESTS] Upgrade mssql-jdbc to 12.6.3.jre11

### What changes were proposed in this pull request?
The pr aims to upgrade `mssql-jdbc` from `12.6.2.jre11` to `12.6.3.jre11`

### Why are the changes needed?
https://github.com/microsoft/mssql-jdbc/releases/tag/v12.6.3
Hotfix & Stable Release:
- Fixed issue where TokenCredential class was required to be imported microsoft/mssql-jdbc#2453
- Fixed timestamp string conversion regression microsoft/mssql-jdbc#2455
- Fixed SQLServerCallableStatement default value regression microsoft/mssql-jdbc#2456

### Does this PR introduce _any_ user-facing change?
No.

### How was this patch tested?
Pass GA.

### Was this patch authored or co-authored using generative AI tooling?
No.

Closes apache#47075 from panbingkun/SPARK-48703.

Authored-by: panbingkun <[email protected]>
Signed-off-by: Dongjoon Hyun <[email protected]>

pom.xml

@@ -326,7 +326,7 @@
     <mysql.connector.version>9.0.0</mysql.connector.version>
     <postgresql.version>42.7.3</postgresql.version>
     <db2.jcc.version>11.5.9.0</db2.jcc.version>
-    <mssql.jdbc.version>12.6.2.jre11</mssql.jdbc.version>
+    <mssql.jdbc.version>12.6.3.jre11</mssql.jdbc.version>
     <ojdbc11.version>23.4.0.24.05</ojdbc11.version>
   </properties>
   <repositories>