Fix snakemake message for build_electricity/clean_osm_data (#2022)

* Fix snakemake message.

* Added release notes.

Author: bobbyxng

doc/release_notes.rst

@@ -9,6 +9,8 @@ Release Notes
 Upcoming Release
 ================
 
+* Fix wildcards error in `clean_osm_data` rule message introduced in github.com/PyPSA/pypsa-eur/pull/1846 by replacing `wildcards.country` with expanded `config["countries"]` list (https://github.com/PyPSA/pypsa-eur/pull/2022).
+
 * Fix `None` default config parameter from creating zero availability for offshore wind (#2019).
 
 * Remove snakemake's slurm plugin from windows installations (https://github.com/PyPSA/pypsa-eur/pull/2009).

rules/build_electricity.smk

@@ -842,7 +842,7 @@ if (
 
     rule clean_osm_data:
         message:
-            "Cleaning raw OSM data for {wildcards.country}"
+            "Cleaning raw OSM data for countries: " + ", ".join(config["countries"])
         input:
             cables_way=expand(
                 f"{OSM_DATASET['folder']}/{{country}}/cables_way.json",