fix(deps): update auto-update-external to v12.3.0 (#139)

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

Author: renovate[bot]

gradle/libs.versions.toml

@@ -9,7 +9,7 @@ configLib = "4.8.1"
 mariaDBConnectorJ = "3.5.7"
 hikaricp = "7.0.2"
 jdbi = "3.52.0"
-flyway = "12.2.0"
+flyway = "12.3.0"
 jspecify = "1.0.0"
 junit = "6.0.3"