Rotate or limit a number of backups of mystamps.war on a server

[php-coder]

At this moment we have the following picture:

mystamps@my-stamps:~$ ls -lh mystamps.war*
-rwxr-xr-x 1 mystamps mystamps 28M Dec 28 19:43 mystamps.war
-rwxr-xr-x 1 mystamps mystamps 28M Nov 12 23:24 mystamps.war.10996.2019-11-14@00:04:55~
-rwxr-xr-x 1 mystamps mystamps 28M Dec  3 23:01 mystamps.war.13071.2019-12-09@21:48:01~
-rwxr-xr-x 1 mystamps mystamps 28M Nov 19 01:18 mystamps.war.16494.2019-11-24@19:43:26~
-rwxr-xr-x 1 mystamps mystamps 23M Dec 31  2017 mystamps.war.2018-01-02@04:10:31~
-rwxr-xr-x 1 mystamps mystamps 23M Jan  2  2018 mystamps.war.2018-01-03@03:35:02~
-rwxr-xr-x 1 mystamps mystamps 23M Jan  3  2018 mystamps.war.2018-01-09@21:43:43~
-rwxr-xr-x 1 mystamps mystamps 23M Jan  9  2018 mystamps.war.2018-02-03@20:03:54~
-rwxr-xr-x 1 mystamps mystamps 23M Feb  3  2018 mystamps.war.2018-02-26@01:50:06~
-rwxr-xr-x 1 mystamps mystamps 23M Feb 26  2018 mystamps.war.2018-03-12@15:28:00~
-rwxr-xr-x 1 mystamps mystamps 23M Mar 12  2018 mystamps.war.2018-06-04@20:46:24~
-rwxr-xr-x 1 mystamps mystamps 24M Jun  4  2018 mystamps.war.2018-06-14@00:10:06~
-rwxr-xr-x 1 mystamps mystamps 24M Jun 14  2018 mystamps.war.2018-06-18@23:54:33~
-rwxr-xr-x 1 mystamps mystamps 24M Jun 18  2018 mystamps.war.2018-06-21@16:31:59~
-rwxr-xr-x 1 mystamps mystamps 24M Jun 21  2018 mystamps.war.2018-06-21@17:08:20~
-rwxr-xr-x 1 mystamps mystamps 24M Jun 21  2018 mystamps.war.2018-06-23@00:53:58~
-rwxr-xr-x 1 mystamps mystamps 24M Jun 23  2018 mystamps.war.2018-07-04@15:40:44~
-rwxr-xr-x 1 mystamps mystamps 24M Jul  4  2018 mystamps.war.2018-07-09@13:11:35~
-rwxr-xr-x 1 mystamps mystamps 24M Jul  9  2018 mystamps.war.2018-07-13@16:41:12~
-rwxr-xr-x 1 mystamps mystamps 24M Jul 13  2018 mystamps.war.2018-07-15@19:25:15~
-rwxr-xr-x 1 mystamps mystamps 24M Jul 15  2018 mystamps.war.2018-07-15@22:13:13~
-rwx------ 1 mystamps mystamps 24M Jul 17  2018 mystamps.war.2018-07-29@01:18:27~
-rwxr-xr-x 1 mystamps mystamps 24M Jul 29  2018 mystamps.war.2018-10-14@01:00:59~
-rwxr-xr-x 1 mystamps mystamps 24M Oct 14  2018 mystamps.war.2018-12-01@16:45:59~
-rwxr-xr-x 1 mystamps mystamps 24M Dec  1  2018 mystamps.war.2018-12-02@22:13:05~
-rwxr-xr-x 1 mystamps mystamps 24M Dec  2  2018 mystamps.war.2018-12-15@20:56:29~
-rwxr-xr-x 1 mystamps mystamps 24M Dec 15  2018 mystamps.war.2018-12-16@00:17:16~
-rwxr-xr-x 1 mystamps mystamps 24M Dec 16  2018 mystamps.war.2018-12-16@00:55:46~
-rwxr-xr-x 1 mystamps mystamps 24M Dec 16  2018 mystamps.war.2018-12-16@15:46:46~
-rwxr-xr-x 1 mystamps mystamps 24M Dec 16  2018 mystamps.war.2018-12-20@03:12:26~
-rwxr-xr-x 1 mystamps mystamps 24M Dec 20  2018 mystamps.war.2018-12-20@15:52:29~
-rwxr-xr-x 1 mystamps mystamps 24M Dec 20  2018 mystamps.war.2018-12-24@01:47:56~
-rwxr-xr-x 1 mystamps mystamps 24M Dec 24  2018 mystamps.war.2018-12-24@02:35:33~
-rwxr-xr-x 1 mystamps mystamps 24M Dec 24  2018 mystamps.war.2019-02-24@22:08:24~
-rwxr-xr-x 1 mystamps mystamps 24M Feb 24  2019 mystamps.war.2019-03-01@17:56:05~
-rwxr-xr-x 1 mystamps mystamps 24M Mar  1  2019 mystamps.war.2019-05-07@20:57:34~
-rwxr-xr-x 1 mystamps mystamps 24M May  7  2019 mystamps.war.2019-05-24@00:43:11~
-rwxr-xr-x 1 mystamps mystamps 24M May 24  2019 mystamps.war.2019-05-26@11:14:27~
-rwxr-xr-x 1 mystamps mystamps 24M May 26  2019 mystamps.war.2019-06-03@15:18:02~
-rwxr-xr-x 1 mystamps mystamps 26M Jun  3  2019 mystamps.war.2019-06-14@00:38:54~
-rwxr-xr-x 1 mystamps mystamps 27M Jun 14  2019 mystamps.war.2019-06-16@21:54:38~
-rwxr-xr-x 1 mystamps mystamps 27M Jun 16  2019 mystamps.war.2019-06-18@23:27:24~
-rwxr-xr-x 1 mystamps mystamps 27M Jun 18  2019 mystamps.war.2019-06-19@00:05:22~
-rwxr-xr-x 1 mystamps mystamps 27M Jun 19  2019 mystamps.war.2019-06-20@01:07:56~
-rwxr-xr-x 1 mystamps mystamps 27M Jun 20  2019 mystamps.war.2019-07-20@22:27:02~
-rwxr-xr-x 1 mystamps mystamps 28M Jul 20 22:27 mystamps.war.2019-07-21@12:51:20~
-rwxr-xr-x 1 mystamps mystamps 28M Jul 21 12:51 mystamps.war.2019-07-21@20:01:24~
-rwxr-xr-x 1 mystamps mystamps 28M Jul 21 20:01 mystamps.war.2019-07-22@00:26:51~
-rwxr-xr-x 1 mystamps mystamps 28M Jul 22 00:26 mystamps.war.2019-08-27@22:41:39~
-rwxr-xr-x 1 mystamps mystamps 28M Aug 27 22:41 mystamps.war.2019-09-30@22:01:11~
-rwxr-xr-x 1 mystamps mystamps 28M Sep 30 22:01 mystamps.war.2019-10-23@22:45:16~
-rwxr-xr-x 1 mystamps mystamps 28M Oct 23 22:45 mystamps.war.2019-10-26@18:53:06~
-rwxr-xr-x 1 mystamps mystamps 28M Oct 26 18:53 mystamps.war.2019-11-05@02:23:04~
-rwxr-xr-x 1 mystamps mystamps 28M Nov  5 02:23 mystamps.war.2019-11-06@02:54:05~
-rwxr-xr-x 1 mystamps mystamps 28M Nov  6 02:54 mystamps.war.2019-11-10@01:14:22~
-rwxr-xr-x 1 mystamps mystamps 28M Nov 10 01:14 mystamps.war.2019-11-12@23:24:10~
-rwxr-xr-x 1 mystamps mystamps 28M Nov 30 01:44 mystamps.war.20381.2019-12-03@02:08:22~
-rwxr-xr-x 1 mystamps mystamps 28M Dec  9 21:47 mystamps.war.20613.2019-12-19@00:01:19~
-rwxr-xr-x 1 mystamps mystamps 28M Dec  3 02:08 mystamps.war.23446.2019-12-03@23:01:08~
-rwxr-xr-x 1 mystamps mystamps 28M Dec 19 00:01 mystamps.war.27113.2019-12-28@18:45:59~
-rwxr-xr-x 1 mystamps mystamps 28M Dec 28 18:45 mystamps.war.27309.2019-12-28@19:43:53~
-rwxr-xr-x 1 mystamps mystamps 28M Nov 14 00:04 mystamps.war.30911.2019-11-19@01:18:24~
-rwxr-xr-x 1 mystamps mystamps 28M Nov 24 19:43 mystamps.war.8873.2019-11-30@01:44:14~