submodule: bump openthread from 70b6c53 to ffe2f52 (#682)

dependabot[bot] · web-flow · commit 52df22d4175a · 2024-02-07T10:35:35.000-08:00
Bumps [openthread](https://github.com/openthread/openthread) from `70b6c53` to `ffe2f52`. - [Commits](openthread/openthread@70b6c53...ffe2f52) --- updated-dependencies: - dependency-name: openthread 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/openthread b/openthread
@@ -1 +1 @@
-Subproject commit 70b6c53bc17f714336de586f4a80de5f5f2a81d1
+Subproject commit ffe2f5257989b2e72fbb0ac96e06098312a2671f
