Copy `curaengine_gradual_flow_plugin` exec to correct deploy path

Contributes CURA-11038

conandata.yml

@@ -78,6 +78,11 @@ pyinstaller:
             src: "bin"
             dst: "."
             binary: "CuraEngine"
+        curaengine_gradual_flow_plugin_service:
+            package: "curaengine_plugin_gradual_flow"
+            src: "bin"
+            dst: "."
+            binary: "curaengine_plugin_gradual_flow"
     hiddenimports:
         - "pySavitar"
         - "pyArcus"