fix(deps): make rdbms deps open to users

Author: osoykan

lib/stove-testing-e2e-rdbms/build.gradle.kts

@@ -1,7 +1,7 @@
 dependencies {
     api(project(":lib:stove-testing-e2e"))
-    implementation(libs.kotlinx.reactor)
-    implementation(libs.r2dbc.spi)
-    implementation(testLibs.testcontainers.jdbc)
+    api(libs.kotlinx.reactor)
+    api(libs.r2dbc.spi)
+    api(testLibs.testcontainers.jdbc)
     testImplementation(testLibs.mockito.kotlin)
 }