deps: update dependency smee-client to v2

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
smee-client	^1.2.5 -> ^2.0.0

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Release Notes

probot/smee-client (smee-client)

### [`v2.0.0`](https://togithub.com/probot/smee-client/releases/tag/v2.0.0) [Compare Source](https://togithub.com/probot/smee-client/compare/v1.2.5...v2.0.0) ##### Build System - trigger release ([ce64c05](https://togithub.com/probot/smee-client/commit/ce64c05d3bc19130bf4a9f7c30ae8e40fc9d4f2f)) ##### BREAKING CHANGES - drop support for Node <18 - use native fetch for requests

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