Fix date extraction in check-codelist-version.yml

Author: sbudai

.github/workflows/check-codelist-version.yml

@@ -40,8 +40,7 @@ jobs:
           # Get the full line containing the highest version, then extract the date
           # Format: "*   Mar 2, 2026 - Version 94 of the ENTSO-E Code list is published."
           line=$(echo "$response" | grep "Version $version " | head -1)
-          date=$(echo "$line" | grep -oP '[A-Z][a-z]{2}\s+\d{1,2},\s+\d{4} | head -1')
-          date=$(echo $date | head -1)
+          date=$(echo "$line" | grep -oP '[A-Z][a-z]{2}\s+\d{1,2},\s+\d{4}' | head -1)
 
           if [ -z "$version" ]; then
             echo "Failed to extract version number"