build(deps): bump third_party/abseil-cpp from `1ee05f2` to `8cdf482` (#2399)

Bumps [third_party/abseil-cpp](https://github.com/abseil/abseil-cpp) from `1ee05f2` to `8cdf482`.
- [Release notes](https://github.com/abseil/abseil-cpp/releases)
- [Commits](https://github.com/abseil/abseil-cpp/compare/1ee05f285bc7c343b7adbe0808eae15e4a914246...8cdf48213629f34b014f8e0d594ac16fe7954686)

---
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>

third_party/abseil-cpp

diff --git a/third_party/abseil-cpp b/third_party/abseil-cpp
index 1ee05f2..8cdf482 160000
--- a/third_party/abseil-cpp
+++ b/third_party/abseil-cpp
@@ -1 +1 @@
-Subproject commit 1ee05f285bc7c343b7adbe0808eae15e4a914246
+Subproject commit 8cdf48213629f34b014f8e0d594ac16fe7954686