[gnome-build-meta/valentindavid/tarball-updates: 44/60] protobuf: Update to 3.15.8

[Marge Bot <marge-bot src gnome org>]

commit 9586f1c27028a12fc8007f78bb8be9fde3ee29f4
Author: Valentin David <valentin david codethink co uk>
Date:   Tue Apr 27 17:13:19 2021 +0200

    protobuf: Update to 3.15.8
    
    Part-of: <https://gitlab.gnome.org/GNOME/gnome-build-meta/-/merge_requests/1118>

 elements/vm/buildstream/protobuf.bst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/elements/vm/buildstream/protobuf.bst b/elements/vm/buildstream/protobuf.bst
index 0abc24d6..7f6ef828 100644
--- a/elements/vm/buildstream/protobuf.bst
+++ b/elements/vm/buildstream/protobuf.bst
@@ -2,7 +2,7 @@ kind: autotools
 
 sources:
 - kind: tar
-  url: github_com:protocolbuffers/protobuf/releases/download/v3.12.4/protobuf-all-3.12.4.tar.gz
+  url: github_com:protocolbuffers/protobuf/releases/download/v3.15.8/protobuf-all-3.15.8.tar.gz
 
 build-depends:
 - freedesktop-sdk.bst:components/python3-setuptools.bst