[KYUUBI #7209] bump mysql image to v8 for authz plugin test suite on iceberg

### Why are the changes needed?

- bump mysql docker image from v5.7 to v8 in MysqlContainerEnv, with arm support allowing debugging on arm chips like Apple silicon chips
- bump testcontainers-scala  to 0.43.0

### How was this patch tested?

### Was this patch authored or co-authored using generative AI tooling?

Closes #7209 from bowenliang123/authz-mysql-8.

Closes #7209

dd1ed63 [Bowen Liang] bump mysql:8 in MysqlContainerEnv
d422da0 [Bowen Liang] bump testcontainers-scala to 0.43.0

Lead-authored-by: Bowen Liang <liang.bowen.123@qq.com>
Co-authored-by: Bowen Liang <liangbowen@gf.com.cn>
Signed-off-by: bowenliang123 <liang.bowen.123@qq.com>

Author: bowenliang123

extensions/spark/kyuubi-spark-authz/src/test/scala/org/apache/kyuubi/plugin/spark/authz/MysqlContainerEnv.scala

@@ -23,7 +23,7 @@ import org.testcontainers.utility.DockerImageName
 trait MysqlContainerEnv {
 
   val containerDef: MySQLContainer = MySQLContainer.Def(
-    dockerImageName = DockerImageName.parse("mysql:5.7"),
+    dockerImageName = DockerImageName.parse("mysql:8"),
     databaseName = "hive_metastore",
     username = "root",
     password = "123456")

pom.xml

@@ -215,7 +215,7 @@
         <sqlite.version>3.46.1.3</sqlite.version>
         <supercsv.version>2.2.0</supercsv.version>
         <swagger.version>2.2.1</swagger.version>
-        <testcontainers-scala.version>0.41.4</testcontainers-scala.version>
+        <testcontainers-scala.version>0.43.0</testcontainers-scala.version>
         <!-- https://github.com/ThreeTen/threeten-extra/issues/226 -->
         <threeten.version>1.7.0</threeten.version>
         <!-- trino-client involves kotlin runtime dependencies since 412 because of upgrading okhttp -->