improve bin/cvt-submission.sh, use umask 0022 for new year and new dir

bin/new-year.sh

@@ -106,7 +106,7 @@ export LC_ALL="C"
 
 # set variables referenced in the usage message
 #
-export VERSION="2.0.0 2025-03-13"
+export VERSION="2.0.1 2025-05-18"
 NAME=$(basename "$0")
 export NAME
 export V_FLAG=0
@@ -318,6 +318,11 @@ else
 fi
 
 
+# set umask to avoid group writable files
+#
+umask 0022
+
+
 # verify that we have a topdir directory
 #
 REPO_NAME=$(basename "$REPO_TOP_URL")