ruby_ship_gem.sh: Specify correct shebang for non-default bash distribution
ruby_ship_gem.sh: Specify correct shebang for non-default bash distribution

stephan-nordnes-eriksen/ruby_ship,stephan-nordnes-eriksen/ruby_ship,stephan-nordnes-eriksen/ruby_ship,olevole/ruby_ship,olevole/ruby_ship,stephan-nordnes-eriksen/ruby_ship,olevole/ruby_ship,stephan-nordnes-eriksen/ruby_ship,olevole/ruby_ship,stephan-nordnes-eriksen/ruby_ship,stephan-nordnes-eriksen/ruby_ship,olevole/ruby_ship,olevole/ruby_ship,olevole/ruby_ship