Merge branch 'stable-3.1'

* stable-3.1:
  Bump Bazel version to 3.5.0

Change-Id: I36897b632cbeaa557f6623e2797b48f6122b9add
diff --git a/.bazelversion b/.bazelversion
index 47b322c..1545d96 100644
--- a/.bazelversion
+++ b/.bazelversion
@@ -1 +1 @@
-3.4.1
+3.5.0