git checkout OLD_NAME
git pull
git branch -m OLD_NAME NEW_NAME
git push --delete origin OLD_NAME
git push --set-upstream origin NEW_NAME
One-liner
git checkout OLD_NAME && git pull && git branch -m OLD_NAME NEW_NAME && git push -d origin OLD_NAME && git push -u origin NEW_NAME
git fetch --prune
git branch -r
One-liner
git fetch --prune && git branch -r
git fetch --prune && git branch -r | grep feature
git fetch --prune && git branch -r | grep feature