[SPARK-30282][DOCS][FOLLOWUP] Update SQL migration guide for SHOW TBLPROPERTIES

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

This PR adds a migration guide for `SHOW TBLPROPERTIES` for Apache Spark 3.0.0.

### Why are the changes needed?

The behavior of `SHOW TBLPROPERTIES` changed when the table does not exist. The migration guide reflects this user facing change.

### Does this PR introduce any user-facing change?

Yes. This is a documentation change.

### How was this patch tested?

No tests were added because this is a doc change.

Closes #27276 from imback82/SPARK-30282-followup.

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

Author: imback82

docs/sql-migration-guide.md

@@ -338,7 +338,7 @@ license: |
 
   - Since Spark 3.0, `ADD FILE` can be used to add file directories as well. Earlier only single files can be added using this command. To restore the behaviour of earlier versions, set `spark.sql.legacy.addDirectory.recursive` to false.
 
-  - Since Spark 3.0, `SHOW TBLPROPERTIES` on a temporary view will cause `AnalysisException`. In Spark version 2.4 and earlier, it returned an empty result.
+  - Since Spark 3.0, `SHOW TBLPROPERTIES` will cause `AnalysisException` if the table does not exist. In Spark version 2.4 and earlier, this scenario caused `NoSuchTableException`. Also, `SHOW TBLPROPERTIES` on a temporary view will cause `AnalysisException`. In Spark version 2.4 and earlier, it returned an empty result.
 
 ## Upgrading from Spark SQL 2.4.4 to 2.4.5