[YottaDB/DB/YDB#850] Readd packages that were removed
YDB#850 removed pkg-config and libicu-dev to keep the image size small. We add it back here for the pipeline to run, as it's used by CMake to compile YDBAIM.
Edited by Sam Habiel
YDB#850 removed pkg-config and libicu-dev to keep the image size small. We add it back here for the pipeline to run, as it's used by CMake to compile YDBAIM.