With the latest version of the CLI installed, the directory layout looks like below. This means the binary is at ./js/..sentry-cli.exe:

This is no doubt due to this code:
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let binaryPath = eval( |
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"require('path').resolve(__dirname, require('os').platform() === 'win32' ? '..\\sentry-cli.exe' : '../sentry-cli')" |
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); |