Also convert other underscore to dash for compose v2 compatibility

Makefile

@@ -30,7 +30,7 @@ build-lambda:
 	for func in db_manager koodistot_loader ryhti_client ; do \
   	  rm -rf tmp_lambda; \
   	  echo $$func; \
-	  docker cp hame-ryhti_$${func}-1:/var/task tmp_lambda; \
+	  docker cp hame-ryhti-$${func}-1:/var/task tmp_lambda; \
 	  cd tmp_lambda; \
 	  zip -r ../"$${func}.zip" .; \
 	  cd ..; \