RuboCop 0.50.0; lints

lib/github_changelog_generator/generator/generator_fetcher.rb

@@ -78,7 +78,7 @@ module GitHubChangelogGenerator
           issue["actual_date"] = commit["commit"]["author"]["date"]
 
           # issue['actual_date'] = commit['author']['date']
-        rescue
+        rescue StandardError
           puts "Warning: Can't fetch commit #{event['commit_id']}. It is probably referenced from another repo."
           issue["actual_date"] = issue["closed_at"]
         end

lib/github_changelog_generator/parser.rb

@@ -277,7 +277,7 @@ module GitHubChangelogGenerator
 
         begin
           param = match[2].nil?
-        rescue
+        rescue StandardError
           puts "Can't detect user and name from first parameter: '#{arg0}' -> exit'"
           return
         end

lib/github_changelog_generator/parser_file.rb

@@ -48,7 +48,7 @@ module GitHubChangelogGenerator
       return if non_configuration_line?(line)
       option_name, value = extract_pair(line)
       @options[option_key_for(option_name)] = convert_value(value, option_name)
-    rescue
+    rescue StandardError
       raise ParserError, "Failed on line ##{line_number}: \"#{line.gsub(/[\n\r]+/, '')}\""
     end