fix: update synapseutils_2.13 version to 1.6.2

synapseutils_2.13:1.5.4 does not exist on Maven Central.
The earliest available version for the _2.13 variant is 1.6.2.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: xinlian12

eng/versioning/external_dependencies.txt

@@ -229,7 +229,7 @@ cosmos_com.google.guava:guava;33.0.0-jre
 cosmos_io.dropwizard.metrics:metrics-core;4.1.0
 cosmos_org.hdrhistogram:HdrHistogram;2.1.12
 cosmos_com.microsoft.azure.synapse:synapseutils_2.12;1.5.4
-cosmos_com.microsoft.azure.synapse:synapseutils_2.13;1.5.4
+cosmos_com.microsoft.azure.synapse:synapseutils_2.13;1.6.2
 
 ## Cosmos Spark connector under sdk\cosmos\azure-cosmos-spark_3-<version>_2-12\pom.xml
 # Cosmos Spark connector runtime dependencies - provided by Spark runtime/host

sdk/cosmos/fabric-cosmos-spark-auth_4-0_2-13/pom.xml

@@ -94,7 +94,7 @@
     <dependency>
       <groupId>com.microsoft.azure.synapse</groupId>
       <artifactId>synapseutils_2.13</artifactId>
-      <version>1.5.4</version> <!-- {x-version-update;cosmos_com.microsoft.azure.synapse:synapseutils_2.13;external_dependency} -->
+      <version>1.6.2</version> <!-- {x-version-update;cosmos_com.microsoft.azure.synapse:synapseutils_2.13;external_dependency} -->
       <scope>provided</scope>
     </dependency>
     <dependency>
@@ -184,7 +184,7 @@
                 <include>com.fasterxml.jackson.core:jackson-databind:[2.18.6]</include> <!-- {x-include-update;com.fasterxml.jackson.core:jackson-databind;external_dependency} -->
                 <include>com.fasterxml.jackson.module:jackson-module-scala_2.13:[2.18.6]</include> <!-- {x-include-update;com.fasterxml.jackson.module:jackson-module-scala_2.13;external_dependency} -->
                 <include>com.azure.cosmos.spark:azure-cosmos-spark_4-0_2-13:[4.49.0-beta.1]</include> <!-- {x-include-update;com.azure.cosmos.spark:azure-cosmos-spark_4-0_2-13;current} -->
-                <include>com.microsoft.azure.synapse:synapseutils_2.13:[1.5.4]</include> <!-- {x-include-update;cosmos_com.microsoft.azure.synapse:synapseutils_2.13;external_dependency} -->
+                <include>com.microsoft.azure.synapse:synapseutils_2.13:[1.6.2]</include> <!-- {x-include-update;cosmos_com.microsoft.azure.synapse:synapseutils_2.13;external_dependency} -->
               </includes>
             </bannedDependencies>
           </rules>