Bump gittools/actions from 1.2.0 to 3.0.0 (#978)

Bumps [gittools/actions](https://github.com/gittools/actions) from 1.2.0 to 3.0.0.
- [Release notes](https://github.com/gittools/actions/releases)
- [Commits](GitTools/actions@v1.2.0...v3.0.0)

---
updated-dependencies:
- dependency-name: gittools/actions
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Sam Smith <[email protected]>

Author: dependabot[bot]