fix: issue with country_converter logging setup (#104)

* fix: pin `country_converter`

* Update build_population_layouts.py

* Revert "fix: pin `country_converter`"

This reverts commit 54f47a1.

Author: lkstrp

scripts/build_population_layouts.py

@@ -30,7 +30,7 @@
 
     configure_logging(snakemake)
     set_scenario_config(snakemake)
-    coco.logging.getLogger().setLevel(coco.logging.CRITICAL)
+    coco.logging.getLogger().setLevel(logging.CRITICAL)
 
     cutout = load_cutout(snakemake.input.cutout)