chore(deps): update com_grail_bazel_toolchain digest to 214fc1c (#78)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

WORKSPACE.bazel

@@ -15,9 +15,9 @@ hedron_compile_commands_setup()
 
 http_archive(
     name = "com_grail_bazel_toolchain",
-    sha256 = "afe9154ad85f0c0eb1f68b6036ad4e415ecf938b5e2bc17e4a76707452b48222",
-    strip_prefix = "bazel-toolchain-ade23e0e37c5308162c012a4f4224459c1c4fa22",
-    url = "https://github.com/grailbio/bazel-toolchain/archive/ade23e0e37c5308162c012a4f4224459c1c4fa22.zip",
+    sha256 = "3cf25401af555309cb6b3f4cc5aad6ae131e34313b82dda0df927626c55b8c46",
+    strip_prefix = "bazel-toolchain-214fc1cc5d9010fafeaa16a67059caefb1c338aa",
+    url = "https://github.com/grailbio/bazel-toolchain/archive/214fc1cc5d9010fafeaa16a67059caefb1c338aa.zip",
 )
 
 load("@com_grail_bazel_toolchain//toolchain:deps.bzl", "bazel_toolchain_dependencies")