Bazel DevSite: Add Bazel 5.4 docs to menu.
This change also removes older 5.x versions from the menu. For now we'll keep 4.2.2 since it's the latest release of the 4.x track.
toc:
+- label: "5.4"
+ path: https://docs.bazel.build/versions/5.4.0/bazel-overview.html
- label: "5.3.1"
path: https://docs.bazel.build/versions/5.3.1/bazel-overview.html
-- label: "5.2"
- path: https://docs.bazel.build/versions/5.2.0/bazel-overview.html
-- label: "5.1.1"
- path: https://docs.bazel.build/versions/5.1.1/bazel-overview.html
-- label: "5.0"
- path: https://docs.bazel.build/versions/5.0.0/bazel-overview.html
- label: "4.2.2"
path: https://docs.bazel.build/versions/4.2.2/bazel-overview.html
