Merge branch 'stable-3.1'

* stable-3.1:
  Bump Bazel version to 3.0.0

Change-Id: Id28c358d8edbd33f2fdf56d5f7a6e30ca878ed53
diff --git a/.bazelversion b/.bazelversion
index ccbccc3..4a36342 100644
--- a/.bazelversion
+++ b/.bazelversion
@@ -1 +1 @@
-2.2.0
+3.0.0