build(deps): bump third_party/abseil-cpp from `c6b2735` to `3de434a` (#2464)

Bumps [third_party/abseil-cpp](https://github.com/abseil/abseil-cpp) from `c6b2735` to `3de434a`.
- [Release notes](https://github.com/abseil/abseil-cpp/releases)
- [Commits](https://github.com/abseil/abseil-cpp/compare/c6b27359c3d27438b1313dddd7598914c1274a50...3de434ab4c0e4aee9386eb70e4418a621ad24d4c)

---
updated-dependencies:
- dependency-name: third_party/abseil-cpp
  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/abseil-cpp b/third_party/abseil-cpp
index c6b2735..3de434a 160000
--- a/third_party/abseil-cpp
+++ b/third_party/abseil-cpp
@@ -1 +1 @@
-Subproject commit c6b27359c3d27438b1313dddd7598914c1274a50
+Subproject commit 3de434ab4c0e4aee9386eb70e4418a621ad24d4c