fix error message

Author: kamiazya

src/utils/errors.ts

@@ -1,5 +1,5 @@
 export const EdgeTargetLengthErrorMessage = 'Edges must have at least 2 targets.';
 export const NoGraphvizContextErrorMessage =
-  'Cannot call useGraphvizContext outside GraphvizContext.\nCannot call useGraphvizContext outside context.\nBasically, you need to use the render function provided by @ts-graphviz/react.';
+  'Cannot call useGraphvizContext outside GraphvizContext.\nBasically, you need to use the render function provided by @ts-graphviz/react.';
 export const NoClusterErrorMessage = 'useCluster must be called within a cluster such as Digraph, Graph, Subgraph.';
 export const DuplicatedRootClusterErrorMessage = 'RootCluster is duplicated.\nUse only one of Digraph and Graph.';