Update io_buildbuddy_buildbuddy_toolchain digest to 6912ec8

Author: renovate[bot]

WORKSPACE

@@ -90,9 +90,9 @@ http_archive(
 
 http_archive(
     name = "io_buildbuddy_buildbuddy_toolchain",
-    sha256 = "a97a87d72417dc4ddd5b434ed4eef6a09fcf7b1a3e87087e3814f50a7c5762d8",
-    strip_prefix = "buildbuddy-toolchain-b2f5e7e3b126c6d7cf243227147478c0959bfc95",
-    urls = ["https://github.com/buildbuddy-io/buildbuddy-toolchain/archive/b2f5e7e3b126c6d7cf243227147478c0959bfc95.tar.gz"],
+    sha256 = "c5849488bdf8c5c1f705ce0386594b3db6a264014510fab2b1ced9c6d48b35b3",
+    strip_prefix = "buildbuddy-toolchain-6912ec8ea6a7b66ad8be0f4f86e0d80cd13a29c0",
+    urls = ["https://github.com/buildbuddy-io/buildbuddy-toolchain/archive/6912ec8ea6a7b66ad8be0f4f86e0d80cd13a29c0.tar.gz"],
 )
 
 (local_repository(