[gnome-maps] Optimize PNG screenshots

[Andre Klapper <aklapper src gnome org>]

commit a42f52c90ba26440e1c1f17df4da113c36bba51b
Author: Andre Klapper <a9016009 gmx de>
Date:   Mon Mar 8 09:15:53 2021 +0100

    Optimize PNG screenshots
    
    Decrease tarball size and save some electrons.

 data/screenshots/maps-main.png     | Bin 787349 -> 373479 bytes
 data/screenshots/maps-pinpoint.png | Bin 1625424 -> 965557 bytes
 data/screenshots/maps-route.png    | Bin 731346 -> 374787 bytes
 3 files changed, 0 insertions(+), 0 deletions(-)
---
diff --git a/data/screenshots/maps-main.png b/data/screenshots/maps-main.png
index c4ca0dd7..0fc8f8de 100644
Binary files a/data/screenshots/maps-main.png and b/data/screenshots/maps-main.png differ
diff --git a/data/screenshots/maps-pinpoint.png b/data/screenshots/maps-pinpoint.png
index 5f7e425a..1cb239f1 100644
Binary files a/data/screenshots/maps-pinpoint.png and b/data/screenshots/maps-pinpoint.png differ
diff --git a/data/screenshots/maps-route.png b/data/screenshots/maps-route.png
index f52b700a..be42744d 100644
Binary files a/data/screenshots/maps-route.png and b/data/screenshots/maps-route.png differ