Update Bazel version to 6.2.1

Change-Id: I4009000008b4971d17387a67c4b6fe26af2d371d

install-prereqs.sh

diff --git a/install-prereqs.sh b/install-prereqs.sh
index 5103e52..2584195 100755
--- a/install-prereqs.sh
+++ b/install-prereqs.sh
@@ -20,7 +20,7 @@
 APT_PACKAGES=(
     asciidoctor
     bazel
-    bazel-5.1.1
+    bazel-6.2.1
     bison
     build-essential
     ccache