Update gittools/actions action to v0.12.1

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
gittools/actions	action	patch	v0.12.0 -> v0.12.1

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Release Notes

gittools/actions (gittools/actions)

### [`v0.12.1`](https://togithub.com/GitTools/actions/releases/tag/v0.12.1) [Compare Source](https://togithub.com/gittools/actions/compare/v0.12.0...v0.12.1) ##### What's Changed - Bump [@​types/node](https://togithub.com/types/node) from 20.11.22 to 20.11.24 by [@​dependabot](https://togithub.com/dependabot) in [https://github.com/GitTools/actions/pull/1050](https://togithub.com/GitTools/actions/pull/1050) - [#​1035](https://togithub.com/gittools/actions/issues/1035) - fix the way value '0' is set in output and environment variables by [@​arturcic](https://togithub.com/arturcic) in [https://github.com/GitTools/actions/pull/1054](https://togithub.com/GitTools/actions/pull/1054) **Full Changelog**: https://github.com/GitTools/actions/compare/v0.12.0...v0.12.1

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