updated usage of hooks

Author: Mash707

packages/react-charts/src/victory/components/ChartLine/examples/ChartLine.md

@@ -11,7 +11,7 @@ propComponents: [
 hideDarkMode: true
 ---
 
-import { useRef, useState } from 'react';
+import { useEffect, useRef, useState } from 'react';
 import { Chart, ChartAxis, ChartGroup, ChartLine, ChartThemeColor, ChartLegendTooltip, ChartVoronoiContainer, createContainer } from '@patternfly/react-charts/victory';
 import { getResizeObserver } from '@patternfly/react-core';
 import { VictoryZoomContainer } from 'victory-zoom-container';

packages/react-charts/src/victory/components/ChartLine/examples/ChartLineMultiColor.tsx

@@ -1,6 +1,6 @@
 import { Chart, ChartAxis, ChartGroup, ChartLine, ChartThemeColor } from '@patternfly/react-charts/victory';
 import { getResizeObserver } from '@patternfly/react-core';
-import { useRef, useState } from 'react';
+import { useEffect, useRef, useState } from 'react';
 import { VictoryZoomContainer } from 'victory-zoom-container';
 
 interface PetData {
@@ -20,7 +20,7 @@ export const ChartLineMultiColor: React.FunctionComponent = () => {
     }
   };
 
-  React.useEffect(() => {
+  useEffect(() => {
     const observer = getResizeObserver(containerRef.current, handleResize);
     handleResize();
     return () => {