build(deps): Bump github.com/zclconf/go-cty from 1.14.4 to 1.15.0 (#2089)

Bumps [github.com/zclconf/go-cty](https://github.com/zclconf/go-cty) from 1.14.4 to 1.15.0.
- [Release notes](https://github.com/zclconf/go-cty/releases)
- [Changelog](https://github.com/zclconf/go-cty/blob/main/CHANGELOG.md)
- [Commits](zclconf/go-cty@v1.14.4...v1.15.0)

---
updated-dependencies:
- dependency-name: github.com/zclconf/go-cty
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]