add some url to explain ubuntu image dont support rv64 now

Signed-off-by: ffgan <[email protected]>

update REGCTL_VERSION to v0.11.0

Signed-off-by: ffgan <[email protected]>

chore: use new Publish-to-BCR (bazel-contrib#792)

fix: update release.yml

feat: allow custom www-authenticate challenges (bazel-contrib#786)

fix: authn: allow builtin credential handling to fail conditionally (b…

…azel-contrib#778)

fix: drop embedded config data from manifest image (bazel-contrib#774)

fix: handle not-logged-in public repos with credsStore (bazel-contrib…

…#731)

feat: Transition oci_image_index into a macro with additional [name].…

…digest target (bazel-contrib#742)

chore(ci): disable two failing tests (bazel-contrib#747)