Source os-release in order

As per https://www.freedesktop.org/software/systemd/man/latest/os-release.html

> The file /etc/os-release takes precedence over /usr/lib/os-release.

We also prioritize both of them over the legacy /etc/lsb_release file.

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

--- a/neofetch	2025-09-07 22:34:09.458848918 +0200
+++ b/neofetch	2025-09-07 22:35:14.458398622 +0200
@@ -1001,9 +1001,9 @@
                     -f /etc/openwrt_release || \
                     -f /etc/lsb-release ]]; then
 
-                # Source the os-release file
-                for file in /etc/lsb-release /usr/lib/os-release \
-                            /etc/os-release  /etc/openwrt_release; do
+                # Source the os-release file in priority order
+                for file in /etc/os-release  /usr/lib/os-release \
+                            /etc/lsb-release /etc/openwrt_release; do
                     source "$file" && break
                 done