Merge branch 'stable-3.1'

* stable-3.1:
  Bump Bazel version to 3.5.0

Change-Id: If1bb1652ede70992d1fff9a2d110d43afb946fb9
diff --git a/.bazelversion b/.bazelversion
index 47b322c..1545d96 100644
--- a/.bazelversion
+++ b/.bazelversion
@@ -1 +1 @@
-3.4.1
+3.5.0