[docs] Update the debezium document link to version 1.5

docs/content/connectors/mysql-cdc.md

@@ -45,7 +45,7 @@ mysql> GRANT SELECT, SHOW DATABASES, REPLICATION SLAVE, REPLICATION CLIENT ON *.
 mysql> FLUSH PRIVILEGES;
 ```
 
-See more about the [permission explanation](https://debezium.io/documentation/reference/1.2/connectors/mysql.html#_permissions_explained).
+See more about the [permission explanation](https://debezium.io/documentation/reference/1.5/connectors/mysql.html#mysql-creating-user).
 
 
 Notes
@@ -217,7 +217,7 @@ Connector Options
       <td>String</td>
       <td>The session time zone in database server, e.g. "Asia/Shanghai". 
           It controls how the TIMESTAMP type in MYSQL converted to STRING.
-          See more <a href="https://debezium.io/documentation/reference/1.2/connectors/mysql.html#_temporal_values">here</a>.</td>
+          See more <a href="https://debezium.io/documentation/reference/1.5/connectors/mysql.html#mysql-temporal-types">here</a>.</td>
     </tr>
     <tr>
       <td>debezium.min.row.
@@ -242,7 +242,7 @@ During a snapshot operation, the connector will query each included table to pro
       <td>String</td>
       <td>Pass-through Debezium's properties to Debezium Embedded Engine which is used to capture data changes from MySQL server.
           For example: <code>'debezium.snapshot.mode' = 'never'</code>.
-          See more about the <a href="https://debezium.io/documentation/reference/1.2/connectors/mysql.html#mysql-connector-configuration-properties_debezium">Debezium's MySQL Connector properties</a></td> 
+          See more about the <a href="https://debezium.io/documentation/reference/1.5/connectors/mysql.html#mysql-connector-properties">Debezium's MySQL Connector properties</a></td> 
     </tr>
     </tbody>
 </table>

docs/content/connectors/postgres-cdc.md

@@ -144,20 +144,20 @@ Connector Options
       <td>String</td>
       <td>Pass-through Debezium's properties to Debezium Embedded Engine which is used to capture data changes from Postgres server.
           For example: <code>'debezium.snapshot.mode' = 'never'</code>.
-          See more about the <a href="https://debezium.io/documentation/reference/1.2/connectors/postgresql.html#postgresql-connector-properties">Debezium's Postgres Connector properties</a></td> 
+          See more about the <a href="https://debezium.io/documentation/reference/1.5/connectors/postgresql.html#postgresql-connector-properties">Debezium's Postgres Connector properties</a></td> 
     </tr>   
     </tbody>
 </table>    
 </div>
 
-Note: `slot.name` is recommended to set for different tables to avoid the potential `PSQLException: ERROR: replication slot "flink" is active for PID 974` error. See more [here](https://debezium.io/documentation/reference/1.2/connectors/postgresql.html#postgresql-property-slot-name).
+Note: `slot.name` is recommended to set for different tables to avoid the potential `PSQLException: ERROR: replication slot "flink" is active for PID 974` error. See more [here](https://debezium.io/documentation/reference/1.5/connectors/postgresql.html#postgresql-property-slot-name).
 
 Features
 --------
 
 ### Exactly-Once Processing
 
-The Postgres CDC connector is a Flink Source connector which will read database snapshot first and then continues to read binlogs with **exactly-once processing** even failures happen. Please read [How the connector works](https://debezium.io/documentation/reference/1.2/connectors/postgresql.html#how-the-postgresql-connector-works). 
+The Postgres CDC connector is a Flink Source connector which will read database snapshot first and then continues to read binlogs with **exactly-once processing** even failures happen. Please read [How the connector works](https://debezium.io/documentation/reference/1.5/connectors/postgresql.html#how-the-postgresql-connector-works). 
 
 ### Single Thread Reading
 

flink-connector-debezium/src/main/java/com/ververica/cdc/debezium/DebeziumSourceFunction.java

@@ -101,7 +101,7 @@ import static com.ververica.cdc.debezium.utils.DatabaseHistoryUtil.retrieveHisto
  * <p>Note: currently, the source function can't run in multiple parallel instances.
  *
  * <p>Please refer to Debezium's documentation for the available configuration properties:
- * https://debezium.io/documentation/reference/1.2/development/engine.html#engine-properties
+ * https://debezium.io/documentation/reference/1.5/development/engine.html#engine-properties
  */
 @PublicEvolving
 public class DebeziumSourceFunction<T> extends RichSourceFunction<T>

flink-connector-mysql-cdc/src/main/java/com/ververica/cdc/connectors/mysql/MySqlSource.java

@@ -102,7 +102,7 @@ public class MySqlSource {
         /**
          * The session time zone in database server, e.g. "America/Los_Angeles". It controls how the
          * TIMESTAMP type in MYSQL converted to STRING. See more
-         * https://debezium.io/documentation/reference/1.2/connectors/mysql.html#_temporal_values
+         * https://debezium.io/documentation/reference/1.5/connectors/mysql.html#mysql-temporal-types
          */
         public Builder<T> serverTimeZone(String timeZone) {
             this.serverTimeZone = timeZone;

flink-connector-postgres-cdc/src/main/java/com/ververica/cdc/connectors/postgres/table/PostgresValueValidator.java

@@ -32,7 +32,7 @@ public final class PostgresValueValidator
             "The \"before\" field of UPDATE/DELETE message is null, "
                     + "please check the Postgres table has been set REPLICA IDENTITY to FULL level. "
                     + "You can update the setting by running the command in Postgres 'ALTER TABLE %s REPLICA IDENTITY FULL'. "
-                    + "Please see more in Debezium documentation: https://debezium.io/documentation/reference/1.2/connectors/postgresql.html#postgresql-replica-identity";
+                    + "Please see more in Debezium documentation: https://debezium.io/documentation/reference/1.5/connectors/postgresql.html#postgresql-replica-identity";
 
     private final String schemaTable;