Bump magnum-conductor-plugin-helm to v3.18.2

Author: seunghun1ee

etc/kayobe/kolla/kolla-build.conf

@@ -22,3 +22,7 @@ sha256 = amd64:adddda4b06718e68671ffabff2f8cee48488ba61ad82900e639d108f2148501c,
 [letsencrypt-lego]
 version = v4.23.1
 sha256 = amd64:1fd60b1fd59c239bed22719a5de402cb745d1f933540cb1ec196e2c03e6e8882,arm64:1114745108343286d4bff189b4bdee3cba9d07ebcacc673860d91ab951d31e0d
+
+[magnum-conductor-plugin-helm]
+version = v3.18.2
+sha256 = amd64:c5deada86fe609deefdf40e9cbbe3da2f8cf3f6a4551a0ebe7886dc8fcf98bce,arm64:03181a494a0916b370a100a5b2536104963b095be53fb23d1e29b2afb1c7de8d