Add absl/strings:cord to absl_component_deps

It is used by newer version of gRPC

Bug: None
Test: CQ
Change-Id: I062252875f4899e5f3f7ebd0c3920cf7ad644e92
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3246788
Reviewed-by: Danil Chapovalov <danilchap@chromium.org>
Reviewed-by: Mirko Bonadei <mbonadei@chromium.org>
Commit-Queue: Ming-Chuan Lin <mingcl@google.com>
Auto-Submit: Ming-Chuan Lin <mingcl@google.com>
Cr-Commit-Position: refs/heads/main@{#937746}
NOKEYCHECK=True
GitOrigin-RevId: f7a9111be85be3b3ff722a16a73a76e5579a8391
diff --git a/BUILD.gn b/BUILD.gn
index 6433803..bce8fe4 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -76,6 +76,7 @@
     "//third_party/abseil-cpp/absl/status",
     "//third_party/abseil-cpp/absl/status:statusor",
     "//third_party/abseil-cpp/absl/strings",
+    "//third_party/abseil-cpp/absl/strings:cord",
     "//third_party/abseil-cpp/absl/strings:str_format",
     "//third_party/abseil-cpp/absl/synchronization",
     "//third_party/abseil-cpp/absl/time",