Bump bazel version to 4.2.2

Release-Notes: skip
Change-Id: I6a326853221c34d4e20b12e283a19c3bf7a039b9
diff --git a/.bazelversion b/.bazelversion
index 6aba2b2..af8c8ec 100644
--- a/.bazelversion
+++ b/.bazelversion
@@ -1 +1 @@
-4.2.0
+4.2.2