Update mysql-connector-j to 9.7.0 (#2420)

Co-authored-by: typelevel-steward[bot] <106827141+typelevel-steward[bot]@users.noreply.github.com>

Author: typelevel-steward[bot]

build.sbt

@@ -10,7 +10,7 @@ lazy val fs2Version = "3.13.0"
 lazy val h2Version = "2.4.240"
 lazy val hikariVersion = "7.0.2" // N.B. Hikari v4 introduces a breaking change via slf4j v2
 lazy val kindProjectorVersion = "0.11.2"
-lazy val mysqlVersion = "9.6.0"
+lazy val mysqlVersion = "9.7.0"
 lazy val log4catsVersion = "2.8.0"
 lazy val postGisVersion = "2025.1.1"
 lazy val postgresVersion = "42.7.10"