Add missing Postgresql dependency (#1447)

(cherry picked from commit 250bdec)

Author: pingtimeout

quarkus/admin/build.gradle.kts

@@ -44,6 +44,7 @@ dependencies {
   implementation(project(":polaris-api-iceberg-service"))
 
   runtimeOnly(project(":polaris-eclipselink"))
+  runtimeOnly("org.postgresql:postgresql")
 
   implementation(enforcedPlatform(libs.quarkus.bom))
   implementation("io.quarkus:quarkus-picocli")