Merge pull request #53 from google/dependabot/submodules/third_party/open-source-pdks-0516eff

Bump third_party/open-source-pdks from `fd509b9` to `0516eff`

third_party/open-source-pdks

diff --git a/third_party/open-source-pdks b/third_party/open-source-pdks
index fd509b9..0516eff 160000
--- a/third_party/open-source-pdks
+++ b/third_party/open-source-pdks
@@ -1 +1 @@
-Subproject commit fd509b924cb902dd0650d04889a95072040144ee
+Subproject commit 0516effa229623ee8ecdb44df79f519af25d38b8