docs(logging): fix invalid key log_file (#2226)

A small fix to the documentation regarding migrating configuration.

docs/configuration/migration.md

@@ -33,13 +33,13 @@ in version 4.30.0, it will remain as a warning for 4.30.x, 4.31.x, and 4.32.x; t
 The following changes occurred in 4.30.0:
 
 |Previous Key |New Key               |
-|:----------:|:--------------------:|
+|:-----------:|:--------------------:|
 |host         |server.host           |
 |port         |server.port           |
 |tls_key      |server.tls.key        |
 |tls_cert     |server.tls.certificate|
 |log_level    |log.level             |
-|log_file    |log.file              |
+|log_file_path|log.file_path         |
 |log_format   |log.format            |
 
 ### 4.25.0