chore(deps): update boringssl digest to 2ff4b968

Author: renovate-bot

bazel/repositories.bzl

@@ -63,11 +63,11 @@ def prometheus_cpp_repositories():
         name = "boringssl",
         # Use github mirror instead of https://boringssl.googlesource.com/boringssl
         # to obtain a boringssl archive with consistent sha256
-        sha256 = "ad0b806b6c5cbd6cae121c608945d5fed468748e330632e8d53315089ad52c67",
-        strip_prefix = "boringssl-6195bf8242156c9a2fa75702eee058f91b86a88b",
+        sha256 = "b21994a857a7aa6d5256ffe355c735ad4c286de44c6c81dfc04edc41a8feaeef",
+        strip_prefix = "boringssl-2ff4b968a7e0cfee66d9f151cb95635b43dc1d5b",
         urls = [
-            "https://storage.googleapis.com/grpc-bazel-mirror/github.com/google/boringssl/archive/6195bf8242156c9a2fa75702eee058f91b86a88b.tar.gz",
-            "https://github.com/google/boringssl/archive/6195bf8242156c9a2fa75702eee058f91b86a88b.tar.gz",
+            "https://github.com/google/boringssl/archive/2ff4b968a7e0cfee66d9f151cb95635b43dc1d5b.tar.gz",
+            "https://storage.googleapis.com/grpc-bazel-mirror/github.com/google/boringssl/archive/2ff4b968a7e0cfee66d9f151cb95635b43dc1d5b.tar.gz",
         ],
     )