Fix standalone QUICHE build.

PiperOrigin-RevId: 780207065

quiche/BUILD.bazel

diff --git a/quiche/BUILD.bazel b/quiche/BUILD.bazel
index 552cc09..ad7dbd2 100644
--- a/quiche/BUILD.bazel
+++ b/quiche/BUILD.bazel
@@ -62,6 +62,7 @@
         "@com_google_absl//absl/status",
         "@com_google_absl//absl/status:statusor",
         "@com_google_absl//absl/strings",
+        "@com_google_absl//absl/strings:str_format",
     ],
 )