[docs] Fix non-existing "adapter" property of LocalizationProvider (@tomashauser) (#16088)

Co-authored-by: tomashauser <[email protected]>

Author: github-actions[bot]

docs/src/modules/components/overview/DateLibraries.tsx

@@ -101,7 +101,7 @@ export default function DateLibraries() {
           <HighlightedCode
             sx={{ width: '100%', maxWidth: '600px' }}
             code={[
-              `<LocalizationProvider adapter={${dateLibraries[selectedLibrary].adapter}}>`,
+              `<LocalizationProvider dateAdapter={${dateLibraries[selectedLibrary].adapter}}>`,
               `  <DatePicker defaultValue={${dateLibraries[selectedLibrary].value}} />`,
               `</LocalizationProvider>`,
             ].join('\n')}