HTTP request aborts and pipelined cleanup land

Add AbortSignal support to IncomingMessage requests (bf1aebc)

req.signal now exposes an AbortSignal that fires when the socket closes or the request is destroyed. That makes it easier to cancel downstream async work like fetch calls or database queries when a client disconnects.

Fix leaked pipelined HTTP responses on socket close (4b3d82c)

When a socket with queued pipelined requests is destroyed, Node now destroys the pending outgoing responses too instead of leaving them alive indefinitely. The related OutgoingMessage.destroy() path also now emits close even when there is no socket, tightening lifecycle behavior.

Document TransformStream transformer.cancel (a3108ff)

The Web Streams docs now describe the cancel callback for TransformStream transformers, including when it runs and what arguments it receives. This matches the spec and closes the gap for users implementing cancellation-aware transforms.

Raise the minimum GCC requirement to 13.2 (6d954e7)

Node's build docs and compiler checks now require GCC 13.2 or newer. This reflects V8's newer compiler baseline and prevents unsupported Linux builds from proceeding.

Other misc changes

• Updated ESLint tooling dependencies in /tools/eslint (2 updates).
• Bumped cachix/install-nix-action in three GitHub Actions workflows.