Update dependency org.testcontainers:mysql to v1.19.7 (#287)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

gradle/libs.versions.toml

@@ -29,7 +29,7 @@ spring-boot-test = { module = "org.springframework.boot:spring-boot-starter-test
 spring-mockk = "com.ninja-squad:springmockk:4.0.2"
 spring-mybatis-test = { module = "org.mybatis.spring.boot:mybatis-spring-boot-starter-test", version.ref = "mybatis" }
 kluent = "org.amshove.kluent:kluent:1.73"
-testcontainers-mysql = "org.testcontainers:mysql:1.19.3"
+testcontainers-mysql = "org.testcontainers:mysql:1.19.7"
 
 [bundles]
 jackson-base = ["jackson-datetype", "kotlin-jackson"]