Fix SelectableTile typescript declaration for "value".

[wkeese]

Closes #16977

I previously fixed PropTypes but forgot to update the Typescript declaration.

Changelog

Changed

• Update SelectableTile.value typescript declaration to make value optional.

Testing / Reviewing

Tested locally.

[netlify[bot]]

✅ Deploy Preview for v11-carbon-web-components ready!

Name	Link
🔨 Latest commit	6cfd7d7fd1c73abc47683b98b17d32eb21f44a25
🔍 Latest deploy log	https://app.netlify.com/sites/v11-carbon-web-components/deploys/6740255f2e87dd0008f33f5c
😎 Deploy Preview	https://deploy-preview-18143--v11-carbon-web-components.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[netlify[bot]]

✅ Deploy Preview for carbon-elements ready!

Name	Link
🔨 Latest commit	6cfd7d7fd1c73abc47683b98b17d32eb21f44a25
🔍 Latest deploy log	https://app.netlify.com/sites/carbon-elements/deploys/6740255fe2839a00088cda51
😎 Deploy Preview	https://deploy-preview-18143--carbon-elements.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[netlify[bot]]

✅ Deploy Preview for v11-carbon-react ready!

Built without sensitive environment variables

Name	Link
🔨 Latest commit	6cfd7d7fd1c73abc47683b98b17d32eb21f44a25
🔍 Latest deploy log	https://app.netlify.com/sites/v11-carbon-react/deploys/6740255ff4bba50008e32c61
😎 Deploy Preview	https://deploy-preview-18143--v11-carbon-react.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 82.87%. Comparing base (626289a) to head (6cfd7d7).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #18143 +/- ## ======================================= Coverage 82.87% 82.87% ======================================= Files 404 404 Lines 14338 14338 Branches 4591 4591 ======================================= Hits 11882 11882 Misses 2296 2296 Partials 160 160 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.

---

🚨 Try these New Features:

• Flaky Tests Detection - Detect and resolve failed and flaky tests
• JS Bundle Analysis - Avoid shipping oversized bundles

[wkeese]

As usual, this is getting visual diffs, but presumably they are unrelated to my PR. (Same thing happened on the last PR.)