Bump @ava/typescript from 3.0.1 to 4.0.0 (#1576)

* Bump @ava/typescript from 3.0.1 to 4.0.0

Bumps [@ava/typescript](https://github.com/avajs/typescript) from 3.0.1 to 4.0.0.
- [Release notes](https://github.com/avajs/typescript/releases)
- [Commits](https://github.com/avajs/typescript/compare/v3.0.1...v4.0.0)

---
updated-dependencies:
- dependency-name: "@ava/typescript"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

* Update checked-in dependencies

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: github-actions[bot] <github-actions@github.com>

node_modules/execa/lib/pipe.js

@@ -0,0 +1,42 @@
+import {createWriteStream} from 'node:fs';
+import {ChildProcess} from 'node:child_process';
+import {isWritableStream} from 'is-stream';
+
+const isExecaChildProcess = target => target instanceof ChildProcess && typeof target.then === 'function';
+
+const pipeToTarget = (spawned, streamName, target) => {
+	if (typeof target === 'string') {
+		spawned[streamName].pipe(createWriteStream(target));
+		return spawned;
+	}
+
+	if (isWritableStream(target)) {
+		spawned[streamName].pipe(target);
+		return spawned;
+	}
+
+	if (!isExecaChildProcess(target)) {
+		throw new TypeError('The second argument must be a string, a stream or an Execa child process.');
+	}
+
+	if (!isWritableStream(target.stdin)) {
+		throw new TypeError('The target child process\'s stdin must be available.');
+	}
+
+	spawned[streamName].pipe(target.stdin);
+	return target;
+};
+
+export const addPipeMethods = spawned => {
+	if (spawned.stdout !== null) {
+		spawned.pipeStdout = pipeToTarget.bind(undefined, spawned, 'stdout');
+	}
+
+	if (spawned.stderr !== null) {
+		spawned.pipeStderr = pipeToTarget.bind(undefined, spawned, 'stderr');
+	}
+
+	if (spawned.all !== undefined) {
+		spawned.pipeAll = pipeToTarget.bind(undefined, spawned, 'all');
+	}
+};