Migrate from Travis CI to Github Actions (Fix #19)

upload.sh

@@ -1,13 +1,12 @@
 #!/usr/bin/env bash
 
-git clone -b ip-lists https://${GH_REF} ip-lists
 rm ip-lists/*.txt
 mv result/* ip-lists
 cd ip-lists
 tree -H . -P "*.txt|stat" -T "China Operator IP - prebuild results" > index.html
-git config user.name $GIT_USER_NAME
-git config user.email $GIT_USER_EMAIL
+git config user.name GitHub Actions
+git config user.email github-actions@github.com
 git add .
 git commit -m "update $(date +%Y-%m-%d)"
-git push -q "https://${GH_TOKEN}@${GH_REF}" ip-lists:ip-lists
+git push -q