Add support for "bright" ANSI colors in ansi-color

Add support for "bright" ANSI colors in ansi-color

* lisp/ansi-color.el (ansi-bright-color-names-vector): New defcustom.
(ansi-color-bold-is-bright): New defcustom.
(ansi-color--find-face): Sort ANSI codes and check
'ansi-color-bold-is-bright'.
(ansi-color-apply-sequence): Support bright ANSI colors.
(ansi-color--fill-color-map): New function.
(ansi-color-make-color-map): Add bright ANSI colors.
(ansi-color-get-face-1): Add BRIGHT parameter.
* test/lisp/ansi-color-tests.el
(ansi-color-apply-on-region-bold-is-bright-test): New function.