[gnome-build-meta/alatiera/3-38-webkit-updates] Update to freedesktop-sdk-20.08.15

[Jordan Petridis <jpetridis src gnome org>]

commit 9a1624713b30815ae6b0e31a0e4d1d7bd6516a7e
Author: Jordan Petridis <jordan centricular com>
Date:   Wed Oct 27 20:44:09 2021 +0300

    Update to freedesktop-sdk-20.08.15

 elements/freedesktop-sdk.bst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/elements/freedesktop-sdk.bst b/elements/freedesktop-sdk.bst
index 92e79c46e..fc631ed6f 100644
--- a/elements/freedesktop-sdk.bst
+++ b/elements/freedesktop-sdk.bst
@@ -4,7 +4,7 @@ sources:
   url: https://gitlab.com/freedesktop-sdk/freedesktop-sdk.git
   track: release/20.08
   track-tags: true
-  ref: freedesktop-sdk-20.08.13-0-g55e82e3e76710655deea2a5d36ca07d9476f1c20
+  ref: freedesktop-sdk-20.08.15-0-gd411d3bd475c76d0ab105aba33433f861f8d062d
 config:
   options:
     target_arch: '%{arch}'