treewide: rename node.NodeManagement to node.NodeManagementPort

This is the only constant not having Port in its name which breaks the
naming scheme. Lets clean this up by adding it.

Change-Id: Ic34c81c6d80c69e20516f4fca3c26560bbcf3ac6
Reviewed-on: https://review.monogon.dev/c/monogon/+/2911
Tested-by: Jenkins CI
Reviewed-by: Lorenz Brun <lorenz@monogon.tech>
diff --git a/metropolis/node/core/mgmt/mgmt.go b/metropolis/node/core/mgmt/mgmt.go
index 0c7cb54..e9c3f91 100644
--- a/metropolis/node/core/mgmt/mgmt.go
+++ b/metropolis/node/core/mgmt/mgmt.go
@@ -51,7 +51,7 @@
 	}
 	logger := supervisor.MustSubLogger(ctx, "rpc")
 	opts := sec.GRPCOptions(logger)
-	lis, err := net.Listen("tcp", fmt.Sprintf(":%d", node.NodeManagement))
+	lis, err := net.Listen("tcp", fmt.Sprintf(":%d", node.NodeManagementPort))
 	if err != nil {
 		return fmt.Errorf("failed to listen on node management socket socket: %w", err)
 	}