Remove keyId from importPKCS8 options

- Remove keyId parameter from importPKCS8 call
- Keep kid in protected header for JWT
- Fix 'Invalid or unsupported alg value' error

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

supabase/functions/create-google-meet-event/index.ts

@@ -38,7 +38,6 @@ async function getGoogleAccessToken(serviceAccount: GoogleServiceAccount): Promi
     // Convert private key string to CryptoKey
     const privateKey = await importPKCS8(serviceAccount.private_key, {
       algorithm: 'RS256',
-      keyId: serviceAccount.private_key_id,
     });
 
     // Create and sign JWT