Update dependency bazel to v6.3.0 (#13)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.bazelversion

diff --git a/.bazelversion b/.bazelversion
index 024b066..798e389 100644
--- a/.bazelversion
+++ b/.bazelversion
@@ -1 +1 @@
-6.2.1
+6.3.0