ci: bump bazel to 5.3.2

.github/settings.sh

diff --git a/.github/settings.sh b/.github/settings.sh
index 91028b0..66b92a4 100644
--- a/.github/settings.sh
+++ b/.github/settings.sh
@@ -32,7 +32,7 @@
 export BAZEL_OPTS="-c opt --show_progress_rate_limit=10.0"
 
 # Used to fetch the BAZEL version where needed.
-export BAZEL_VERSION=4.0.0
+export BAZEL_VERSION=5.3.2
 
 # TODO(b/171989992): revert to using release version after upgrading system
 #   libraries/image (need: GLIBCXX_3.4.26, CXXABI_1.3.11, GLIBC_2.29).