.gitreview: set gerrit.defaultbranch to 21.0 [T918-069]

brobecke · brobecke · commit 92ab632a434f · 2020-09-22T06:04:01.000-07:00
diff --git a/.gitreview b/.gitreview
@@ -2,4 +2,4 @@
 host = git.adacore.com
 port = 29418
 project = gnatcoll-core
-defaultbranch = master
+defaultbranch = 21.0
