It seems that the `issue-commands` workflow keeps failing.

This commit fixes the `issue-commands` workflow by bumping up the
action version and replacing `npm install` with `npm ci` for
reproducibility.

Refs: https://github.com/oam-dev/kubevela-github-actions/pull/11

Signed-off-by: Sunghoon Kang <hoon@linecorp.com>