Release arm-trusted-firmware version 2.7.0+dfsg-2+apertis1

Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@collabora.com>

debian/changelog

+arm-trusted-firmware (2.7.0+dfsg-2+apertis1) apertis; urgency=medium
+
+  * Merge from Debian bookworm. Remaining Apertis changes:
+    - None.
+
+ -- Ariel D'Alessandro <ariel.dalessandro@collabora.com>  Tue, 06 Sep 2022 14:27:19 -0300
+
 arm-trusted-firmware (2.7.0+dfsg-2) unstable; urgency=medium
 
   * debian/rules: Fix build failure by ignoring warnings for RWX segments.