fixed csv dependencies

Author: Jolanrensen

dataframe-csv/build.gradle.kts

@@ -31,9 +31,9 @@ dependencies {
     implementation(project(":core"))
 
     // for csv reading
-    implementation(libs.deephavenCsv)
+    api(libs.deephavenCsv)
     // for csv writing
-    implementation(libs.commonsCsv)
+    api(libs.commonsCsv)
     implementation(libs.commonsIo)
     implementation(libs.sl4j)
     implementation(libs.kotlinLogging)