submodule: bump openthread from 53382ec to 518a849 (#701)

dependabot[bot] · web-flow · commit 9e9b8fd7294d · 2024-03-11T08:41:01.000-07:00
Bumps [openthread](https://github.com/openthread/openthread) from `53382ec` to `518a849`. - [Commits](openthread/openthread@53382ec...518a849) --- 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 53382ec9edaff06c12f470da20ada66101ed0f50
+Subproject commit 518a84949554ce8081f5f075e21dd8f235bb4b39
