chore(deps): bump com.mysql:mysql-connector-j from 8.3.0 to 8.4.0

Bumps [com.mysql:mysql-connector-j](https://github.com/mysql/mysql-connector-j) from 8.3.0 to 8.4.0.
- [Changelog](https://github.com/mysql/mysql-connector-j/blob/release/8.x/CHANGES)
- [Commits](mysql/mysql-connector-j@8.3.0...8.4.0)

---
updated-dependencies:
- dependency-name: com.mysql:mysql-connector-j
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

build.gradle.kts

@@ -167,7 +167,7 @@ dependencies {
     runtimeOnly("net.sourceforge.jtds:jtds:1.3.1")
     runtimeOnly("net.snowflake:snowflake-jdbc:3.14.2")
     runtimeOnly("com.microsoft.sqlserver:mssql-jdbc:12.6.1.jre11")
-    runtimeOnly("com.mysql:mysql-connector-j:8.3.0")
+    runtimeOnly("com.mysql:mysql-connector-j:8.4.0")
 
     implementation("com.google.guava:guava:33.1.0-jre")
     implementation("org.slf4j:slf4j-api:$slf4jVersion")