fix: create DB cache whenever required

Author: SilvioC2C

bin/runmigration

@@ -73,8 +73,8 @@ fi
 
 migrate
 
-# Create a dump if none exist for the current VERSION
-if [ "$CREATE_DB_CACHE" == "true" -a ! -f "$CACHED_DUMP" ]; then
+# Create a dump if required
+if [ "$CREATE_DB_CACHE" == "true" ]; then
     echo "Save DB to cache $CACHED_DUMP 🐘⮕ 📦"
     mkdir -p "$CACHE_DIR"
     pg_dump -Fp -O -f "$CACHED_DUMP"