fix(launcher): launcher.launch() should pass 'timeout' option #5180

[jschfflr]

This is a reland of #5180 as the fork has already been deleted and can no longer be used to fix the merge conflicts.

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[googlebot]

All (the pull request submitter and all commit authors) CLAs are signed, but one or more commits were authored or co-authored by someone other than the pull request submitter.

We need to confirm that all authors are ok with their commits being contributed to this project. Please have them confirm that by leaving a comment that contains only @googlebot I consent. in this pull request.

Note to project maintainer: There may be cases where the author cannot leave a comment, or the comment is not properly detected as consent. In those cases, you can manually confirm consent of the commit author(s), and set the cla label to yes (if enabled on your project).

ℹ️ Googlers: Go here for more info.

[google-cla]

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[jschfflr]

Adding cla:yes as the author gave their consent on #5180 already.

[google-cla]

A Googler has manually verified that the CLAs look good.

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