Merge branch 'stable-3.1' into stable-3.2

* stable-3.1:
  Bump Bazel version to 3.7.0

Change-Id: I3533c23cba5631893d88f119fe413752c5222f8e
diff --git a/.bazelversion b/.bazelversion
index 1545d96..7c69a55 100644
--- a/.bazelversion
+++ b/.bazelversion
@@ -1 +1 @@
-3.5.0
+3.7.0