WORKSPACE: bump protobuf

Change-Id: I7dcf4abc0a4717fd9d6d4ea43cdcfac11fdff359
Reviewed-on: https://gerrit.hackerspace.pl/c/hscloud/+/1325
Reviewed-by: q3k <q3k@hackerspace.pl>
diff --git a/WORKSPACE b/WORKSPACE
index c5fddd5..f4f29a2 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -9,9 +9,9 @@
 # Load this as early as possible, to avoid a different version being pulled in by deps of something else
 http_archive(
     name = "com_google_protobuf",
-    sha256 = "c6003e1d2e7fefa78a3039f19f383b4f3a61e81be8c19356f85b6461998ad3db",
-    strip_prefix = "protobuf-3.17.3",
-    urls = ["https://github.com/google/protobuf/archive/v3.17.3.tar.gz"],
+    sha256 = "8b28fdd45bab62d15db232ec404248901842e5340299a57765e48abe8a80d930",
+    strip_prefix = "protobuf-3.20.1",
+    urls = ["https://github.com/google/protobuf/archive/v3.20.1.tar.gz"],
 )
 
 load("@com_google_protobuf//:protobuf_deps.bzl", "protobuf_deps")