Run latest Buildifier during presubmit (#957)

0.22.0 is no longer supported (the current version is 4.0.1), thus leading to errors on CI: https://buildkite.com/bazel/bazel-toolchains/builds/24660

Co-authored-by: Chi Wang <[email protected]>

Author: fweikert

.bazelci/presubmit.yml

@@ -1,6 +1,6 @@
 ---
 buildifier:
-  version: 4.0.1
+  version: latest
   # Check for issues with the format of our bazel config files.
   # All warnings from https://github.com/bazelbuild/buildtools/blob/master/WARNINGS.md
   # are enabled except: