docs(cli): update help text for output format option

Change description from "Output formats or file" to "Report Format" to be more concise and clear

Author: JuanVqz

lib/skunk/cli/options/argv.rb

@@ -23,7 +23,7 @@ def parse
               self.mode = :compare_branches
             end
 
-            opts.on("-o", "--out console,json,html", Array, "Output formats or file") { |values| parse_out_option(values) }
+            opts.on("-o", "--out console,json,html", Array, "Report Format") { |values| parse_out_option(values) }
 
             opts.on_tail("-v", "--version", "Show gem's version") do
               self.mode = :version

test/lib/skunk/commands/help_test.rb

@@ -11,7 +11,7 @@
       <<~HELP
         Usage: skunk [options] [paths]
             -b, --branch BRANCH              Set branch to compare
-            -o, --out console,json,html      Output formats or file
+            -o, --out console,json,html      Report Format
             -v, --version                    Show gem's version
             -h, --help                       Show this message
       HELP