[gnome-browser-extension] gitattributes: allow `contrib` folder to be exported

[Yuri Konotopov <ykonotopov src gnome org>]

commit 11db2805d92b049aa2fac4948cd98ee46310d214
Author: Yuri Konotopov <ykonotopov gnome org>
Date:   Wed Aug 3 22:30:59 2022 +0400

    gitattributes: allow `contrib` folder to be exported
    
    Fixes: https://github.com/nE0sIghT/chrome-gnome-shell-mirror/issues/116

 .gitattributes | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/.gitattributes b/.gitattributes
index 8cf6c04..5966153 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,3 +1,2 @@
 .gitattributes export-ignore
 .gitignore export-ignore
-/contrib export-ignore