Ensure end-of-line in latest date build grep

build

@@ -10,7 +10,7 @@
 
 git clean -Xfd
 
-latest_date=$(grep -P '^[0-9]{4}-[0-9]{2}-[0-9]{2}' ./scores/scores.txt | tail -1)
+latest_date=$(grep -P '^[0-9]{4}-[0-9]{2}-[0-9]{2}$' ./scores/scores.txt | tail -1)
 
 python3 ../mahjong-scorer/mahjongscore.py ./scores/scores.txt
 python3 ../mahjong-scorer/mahjongscore.py ./scores/scores.txt --from $latest_date