chore(ci): auto discover git ref of librime artifacts

Author: ksqsf

action-install.sh

@@ -3,7 +3,7 @@
 set -e
 
 rime_version=latest
-rime_git_hash=24f0f7b
+rime_git_hash=`curl https://api.github.com/repos/rime/librime/releases/tags/latest | jq '.assets | .[] | select(.name | contains("macOS")) | .name' | jq -s '.[0]' -r | cut -d- -f2`
 sparkle_version=2.6.2
 
 rime_archive="rime-${rime_git_hash}-macOS-universal.tar.bz2"