Bump third_party/openthread/repo from `7f4c7fc` to `e958f88` (#28400)

Bumps [third_party/openthread/repo](https://github.com/openthread/openthread) from `7f4c7fc` to `e958f88`.
- [Release notes](https://github.com/openthread/openthread/releases)
- [Commits](https://github.com/openthread/openthread/compare/7f4c7fca2e72e2fee3c33f8acf14d36d1be205a6...e958f8827ede37d543e962513d332d00dab6b1c3)

---
updated-dependencies:
- dependency-name: third_party/openthread/repo
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
diff --git a/third_party/openthread/repo b/third_party/openthread/repo
index 7f4c7fc..e958f88 160000
--- a/third_party/openthread/repo
+++ b/third_party/openthread/repo
@@ -1 +1 @@
-Subproject commit 7f4c7fca2e72e2fee3c33f8acf14d36d1be205a6
+Subproject commit e958f8827ede37d543e962513d332d00dab6b1c3