preserve timestamps when installing headers

2022-02-07 03:02:23 Julien Rouhaud (rjuju) Closed in commitfest 2022-01 with status: Returned with feedback 2022-01-16 22:13:16 Tom Lane (tgl) New status: Waiting on Author 2021-12-02 11:31:23 Aleksander Alekseev (a.alekseev) Posted review with messageid <163844468307.8893.15244395336870941924.pgcf@coridan.postgresql.org> 2021-12-02 11:31:23 Aleksander Alekseev (a.alekseev) New status: Ready for Committer 2021-12-02 11:26:00 Aleksander Alekseev (a.alekseev) Added a.alekseev as reviewer 2021-12-01 14:33:20 Daniel Gustafsson (d_gustafsson) Closed in commitfest 2021-11 with status: Moved to next CF 2021-10-15 11:11:02 Alexander Kuzmenkov (akuzmenkov) Changed authors to Alexander Kuzmenkov (akuzmenkov) 2021-10-15 11:10:48 Alexander Kuzmenkov (akuzmenkov) Attached mail thread CALzhyqxFzSRwo_eOOtBmjD8Gs4LhESP4KLHx_pkNnaEMio1ugA@mail.gmail.com 2021-10-15 11:10:48 Alexander Kuzmenkov (akuzmenkov) Created patch record