Checkout commit `11023e5` of CustomPiOS repo

.gitlab-ci.yml

@@ -27,6 +27,7 @@ build-zynthbox-image-armhf:
 
     # Build custom base image with Low Latency Kernel with PREEMPT_RT patch
     - git clone https://github.com/guysoft/CustomPiOS.git
+    - cd CustomPiOS && git checkout 11023e5 && cd ..
     - git clone https://github.com/zynthbox/RealtimePi.git
     - cd RealtimePi/src
     - wget -c --trust-server-names 'https://downloads.raspberrypi.org/raspios_lite_armhf/images/raspios_lite_armhf-2023-02-22/2023-02-21-raspios-bullseye-armhf-lite.img.xz' -P ./image