Bump typescript from 5.8.3 to 5.9.3 (#641)

* Bump typescript from 5.8.3 to 5.9.3

Bumps [typescript](https://github.com/microsoft/TypeScript) from 5.8.3 to 5.9.3.
- [Release notes](https://github.com/microsoft/TypeScript/releases)
- [Changelog](https://github.com/microsoft/TypeScript/blob/main/azure-pipelines.release-publish.yml)
- [Commits](microsoft/TypeScript@v5.8.3...v5.9.3)

---
updated-dependencies:
- dependency-name: typescript
  dependency-version: 5.9.3
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* Fix TypeScript 5.9 type error with TextDecoderStream

TypeScript 5.9 has stricter typing for TextDecoderStream.writable
which is typed as WritableStream<BufferSource> but pipeThrough expects
WritableStream<Uint8Array>. Add type assertion to fix compatibility.

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

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Paulus Schoutsen <balloob@gmail.com>
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

Author: 3 people

package-lock.json

@@ -93,9 +93,12 @@ export class EwtConsole extends HTMLElement {
     this.logger.debug("Starting console read loop");
     try {
       await this.port
-        .readable!.pipeThrough(new TextDecoderStream(), {
-          signal: abortSignal,
-        })
+        .readable!.pipeThrough(
+          new TextDecoderStream() as ReadableWritablePair<string, Uint8Array>,
+          {
+            signal: abortSignal,
+          },
+        )
         .pipeThrough(new TransformStream(new LineBreakTransformer()))
         .pipeThrough(new TransformStream(new TimestampTransformer()))
         .pipeTo(