Update jq to use join() so it works for any number of adress lines

Author: ike-agu

jq/script-02.sh

@@ -6,4 +6,4 @@ set -euo pipefail
 # TODO: Write a command to output the address of the person, all on one line, with a comma between each line.
 # Your output should be exactly the string "35 Fashion Street, London, E1 6PX", but should not contain any quote characters.
 
-jq -r '.address | "\(.[0]), \(.[1]), \(.[2])"' person.json
+jq -r '.address | join(", ")' person.json