chore(deps): update spec digest to 36944c6 (open-feature#450)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| spec | digest | `18cde17` -> `36944c6` |

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR is behind base branch, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/open-feature/dotnet-sdk).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOS4yNDguNCIsInVwZGF0ZWRJblZlciI6IjM5LjI0OC40IiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJyZW5vdmF0ZSJdfQ==-->

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Signed-off-by: Weihan Li <weihanli@outlook.com>

Author: renovate[bot]