👷 (ci): WORKAROUND - Fix USE_HAL_JPEG_REGISTER_CALLBACKS issues

This commit is a workaround to correctly defined
USE_HAL_JPEG_REGISTER_CALLBACKS while we wait for

> ARMmbed/mbed-os#14351

to be merge into master.

The commit can be dropped if 14351 is merged before
feature/images_and_animations

.github/workflows/ci-build.yml

@@ -54,6 +54,10 @@ jobs:
         run: |
           make mbed_curl
 
+      - name: WORKAROUND - Fix USE_HAL_JPEG_REGISTER_CALLBACKS
+        run: |
+          sed -i '' -e 's/JPEG_REGISTER_CALLBACKS        0U/JPEG_REGISTER_CALLBACKS        1U/g' extern/mbed-os/targets/TARGET_STM/TARGET_STM32F7/STM32Cube_FW/stm32f7xx_hal_conf.h
+
       - name: Config build system
         run: |
           make config TARGET_BOARD=${{ matrix.custom_target }}