Update com_google_riegeli digest to 7f77528

Author: renovate-bot

bazel/zetasql_deps_step_2.bzl

@@ -187,9 +187,9 @@ py_library(
             http_archive(
                 name = "com_google_riegeli",
                 # Commit from 2022-02-16
-                url = "https://github.com/google/riegeli/archive/934428f44a6d120cb6c065315c788aa3a1be6b66.tar.gz",
-                sha256 = "a54dafa634db87723db106bc44ef365b1b442d8862aafbeb5f1d2e922049e587",
-                strip_prefix = "riegeli-934428f44a6d120cb6c065315c788aa3a1be6b66",
+                url = "https://github.com/google/riegeli/archive/7f7752842c363fb366be2d0176f166d769f2088c.tar.gz",
+                sha256 = "d9c56bb09122c8fd1bb85d7a1c066bc590c184f873174d9fcf8e932f35057486",
+                strip_prefix = "riegeli-7f7752842c363fb366be2d0176f166d769f2088c",
             )
     if evaluator_deps:
         # Differential Privacy