update documentation for the new quic-go v0.53.0 API

[marten-seemann]

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[Copilot]

Pull Request Overview

Updates documentation to align with the new quic-go v0.53.0 API by renaming quic.Connection to quic.Conn, adjusting related examples, and clarifying type references.

• Renamed all occurrences of quic.Connection to quic.Conn in code samples and prose
• Updated references from interfaces to structs where applicable
• Adjusted wording for consistency (e.g., “endpoints” instead of “implementations”)

Reviewed Changes

Copilot reviewed 9 out of 9 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
content/docs/webtransport/session.md	Renamed quic.Connection to quic.Conn
content/docs/quic/streams.md	Updated type references and wording
content/docs/quic/server.md	Renamed quic.Connection to quic.Conn in examples
content/docs/quic/metrics.md	Updated interface → struct terminology
content/docs/quic/datagrams.md	Renamed quic.Connection to quic.Conn
content/docs/quic/connection.md	Renamed quic.Connection to quic.Conn
content/docs/quic/connection-migration.md	Changed type declaration to *quic.Conn
content/docs/quic/client.md	Renamed quic.Connection to quic.Conn
content/docs/http3/datagrams.md	Updated comment to use quic.Conn

Comments suppressed due to low confidence (2)

content/docs/quic/streams.md:7

• [nitpick] For consistency with other docs and to reference the updated API, consider using backticks around the new type name, e.g., quic.Conn, instead of the generic “QUIC connection.”

QUIC is a stream-multiplexed transport. A QUIC connection fundamentally differs from the `net.Conn` and the `net.PacketConn` interface defined in the standard library.

content/docs/quic/streams.md:11

• There's a missing “be” in the phrase “can also sent”; it should read “can also be sent.”

In addition to QUIC streams, application data can also sent in so-called QUIC datagram frames (see [datagrams]({{< relref path="datagrams.md" >}})), if endpoints negotiate support for it.