chore(miscellaneous): update flags from js to ts (#12200)

Author: Mash707

packages/react-core/README.md

@@ -37,7 +37,7 @@ import '@patternfly/react-core/dist/styles/base.css';
 
 #### Example component usage
 
-```js
+```ts
 import { Button } from '@patternfly/react-core';
 
 export default <Button variant="primary">Button</Button>;

packages/react-docs/README.md

@@ -15,7 +15,7 @@ section: components
 Include JS code blocks:
 ``````md
 ### Your example title
-```js
+```ts
 import { YourComponent } from '@patternfly/react-core';
 
 BasicExample = () => (

packages/react-icons/README.md

@@ -4,7 +4,7 @@ PatternFly Icons as React Components.
 
 ## Usage
 
-```jsx
+```tsx
 import TimesIcon from '@patternfly/react-icons/dist/esm/icons/times-icon';
 
 const closeIcon = <TimesIcon />;

packages/react-styles/README.md

@@ -4,7 +4,7 @@ Library that provides CSS-in-JS capabilities
 
 #### Example 
 
-```jsx
+```tsx
 import { css } from '@patternfly/react-styles';
 import styles from './Button.css';
 

packages/react-table/README.md

@@ -24,7 +24,7 @@ import '@patternfly/react-core/dist/styles/base.css';
 
 #### Example component usage
 
-```js
+```ts
 import { Table, Thead, Tr, Th, Td, Tbody } from '@patternfly/react-table';
 
 export const ComposableTableBasic = () => {