script/fmt: prefix rubocop version with "Rubocop"
script/fmt: prefix rubocop version with "Rubocop"

This makes it obvious what those mysterious numbers are.

tillgrallert/jekyll,xiebinhqy/jklly_china,Strangehill/jekyll,getandpost/jekyll.github.io,Strangehill/jekyll,rlugojr/jekyll,darwin/jekyll,xcatliu/jekyllcn,chrisfinazzo/jekyll,jaybe-jekyll/jekyll,chrisfinazzo/jekyll,jeffkole/jekyll,tillgrallert/jekyll,gencer/jekyll,darwin/jekyll,tomjohnson1492/jekyll,pmarsceill/jekyll,jekyll/jekyll,rlugojr/jekyll,jeffkole/jekyll,alfredxing/jekyll,gencer/jekyll,xcatliu/jekyllcn,darwin/jekyll,fulldecent/jekyll,jaybe-jekyll/jekyll,xcatliu/jekyllcn,Strangehill/jekyll,rasa2011/rasa2011.github.io,chrisfinazzo/jekyll,yhironaka/yhironaka.github.io,noikiy/jekyll,tomjohnson1492/jekyll,alex-kovac/jekyll,tomjohnson1492/jekyll,rasa2011/rasa2011.github.io,pmarsceill/jekyll,Strangehill/jekyll,jaybe-jekyll/jekyll,fulldecent/jekyll,alfredxing/jekyll,ZDroid/jekyll,chrisfinazzo/jekyll,ryanshaw/jekyll,xiebinhqy/jklly_china,rlugojr/jekyll,ryanshaw/jekyll,ZDroid/jekyll,tillgrallert/jekyll,pmarsceill/jekyll,ZDroid/jekyll,ryanshaw/jekyll,x-way/jekyll,noikiy/jekyll,gencer/jekyll,tomjohnson1492/jekyll,xiebinhqy/jklly_china,alex-kovac/jekyll,getandpost/jekyll.github.io,fulldecent/jekyll,Strangehill/jekyll,alfredxing/jekyll,pmarsceill/jekyll,rasa2011/rasa2011.github.io,jekyll/jekyll,gencer/jekyll,tillgrallert/jekyll,x-way/jekyll,jeffkole/jekyll,tillgrallert/jekyll,jekyll/jekyll,xiebinhqy/jklly_china,jaybe-jekyll/jekyll,alex-kovac/jekyll,gencer/jekyll,x-way/jekyll,jekyll/jekyll,alfredxing/jekyll,jeffkole/jekyll,getandpost/jekyll.github.io,alex-kovac/jekyll,x-way/jekyll,noikiy/jekyll,alex-kovac/jekyll,fulldecent/jekyll,tomjohnson1492/jekyll,noikiy/jekyll,rlugojr/jekyll,ryanshaw/jekyll,darwin/jekyll,xcatliu/jekyllcn