added bluesky/updated contact icons

[gericci]

Summary of Changes

1. Added contact link for BlueSky
2. Replaced contact icons for consistency
3. Added contact link for LinkedIn
4. Replaced icon for language version
5. Improved accessibility for language version

[netlify[bot]]

✅ Deploy Preview for owa-production ready!

Name	Link
🔨 Latest commit	8bc8cf351ea7b2a2cd152e0f4364c920f781bad8
🔍 Latest deploy log	https://app.netlify.com/sites/owa-production/deploys/673ef1ee3ba78000082476d8
😎 Deploy Preview	https://deploy-preview-187--owa-production.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.