Feature/prep for release

[mbanth]

• Update change log
• Update mic_array sub-module to point to the v5.2.0 release of the underlying repository
• Update xud sub-module to point to the v2.2.4 release of the underlying repository

[xluciano]

Looks good. Both submodules point to the head of main. I wonder if we need to add some info in the changelog about the mic_array changes.

[mbanth]

Looks good. Both submodules point to the head of main. I wonder if we need to add some info in the changelog about the mic_array changes.

The mic array changes have been included since release v3.2.0, so no need for a further change log entry.