Update Kestrel HTTP/3 docs

Author: Rick-Anderson

aspnetcore/fundamentals/servers/kestrel/http3.md

@@ -27,17 +27,16 @@ uid: fundamentals/servers/kestrel/http3
 * Is the latest version of the Hypertext Transfer Protocol.
 * Builds on the strengths of `HTTP/2` while addressing some of its limitations, particularly in terms of performance, latency, reliability, and security.
 
-+---------------+-------------------------+-------------------------+
+|---------------|-------------------------|-------------------------|
 | Feature | `HTTP/2` | `HTTP/3` |
-+---------------+-------------------------+-------------------------+
+|---------------|-------------------------|-------------------------|
 | Transport | Uses [TCP](https://developer.mozilla.org/docs/Glossary/TCP) | Uses [QUIC](https://www.rfc-editor.org/rfc/rfc9000.html)  |
 | Layer | | |
 | Connection | Slower due to TCP + TLS | Faster with 0-RTT QUIC |
 | Setup | handshake | handshakes |
 | Head-of-Line | Affected by TCP-level | Eliminated with QUIC |
 | Blocking | blocking | stream multiplexing |
 | Encryption | TLS over TCP | TLS is built into QUIC |
-+---------------+-------------------------+-------------------------+
 
 The key differences from `HTTP/2` to `HTTP/3` are: