Merge pull request #4410 from kirisakow/patch-1

Trim trailing slash in `--home` argument's value from the get-go to avoid that subsequently created paths contain two adjacent slashes in the middle

acme.sh

@@ -7496,7 +7496,7 @@ _process() {
       shift
       ;;
     --home)
-      export LE_WORKING_DIR="$2"
+      export LE_WORKING_DIR="$(echo "$2" | sed 's|/$||')"
       shift
       ;;
     --cert-home | --certhome)