chore(label): convert label demos to TS

[jenny-s51]

What: Closes #7539

[patternfly-build]

Preview: https://patternfly-react-pr-7543.surge.sh

A11y report: https://patternfly-react-pr-7543-a11y.surge.sh

[patternfly-build]

Your changes have been released in:

• eslint-plugin-patternfly-react@4.61.3
• @patternfly/react-catalog-view-extension@4.73.3
• @patternfly/react-charts@6.75.3
• @patternfly/react-code-editor@4.63.3
• @patternfly/react-console@4.73.3
• @patternfly/react-core@4.222.3
• @patternfly/react-docs@5.83.3
• @patternfly/react-icons@4.73.3
• @patternfly/react-inline-edit-extension@4.67.3
• demo-app-ts@4.182.3
• @patternfly/react-integration@4.184.3
• @patternfly/react-log-viewer@4.67.3
• @patternfly/react-styles@4.72.3
• @patternfly/react-table@4.91.3
• @patternfly/react-tokens@4.74.3
• @patternfly/react-topology@4.69.3
• @patternfly/react-virtualized-extension@4.69.3
• transformer-cjs-imports@4.60.3

Thanks for your contribution! 🎉