Update APT sources to use Debian unstable

Replaced the Debian stable sources configuration with Debian unstable. This change ensures access to the latest packages and updates from the unstable distribution. The security sources for the stable suite were also removed as part of this update.

data/apt/sources.list.d/debian-stable.sources

@@ -1,11 +0,0 @@
-Types: deb deb-src
-URIs: http://deb.debian.org/debian/
-Suites: unstable
-Components: main non-free-firmware non-free contrib
-Signed-By: /usr/share/keyrings/debian-archive-keyring.gpg
-
-Types: deb deb-src
-URIs: http://security.debian.org/debian-security/
-Suites: stable-security
-Components: main non-free-firmware non-free contrib
-Signed-By: /usr/share/keyrings/debian-archive-keyring.gpg

data/apt/sources.list.d/debian-unstable.sources

@@ -0,0 +1,5 @@
+Types: deb deb-src
+URIs: http://deb.debian.org/debian/
+Suites: unstable
+Components: main non-free-firmware non-free contrib
+Signed-By: /usr/share/keyrings/debian-archive-keyring.gpg