cm-push strips executable flag of files

[sunnysuomi]

Latest(at least) cm-push version (0.10.1) strips executable file permission. I have tried to push to both Gitlab and Harbor's Helm registry and same result with both. When chart is pushed with registry's own API, it keeps the executable mode.

ll ./temp_chart/executable.sh
-rw-r--r-- 1 removed removed 28 Oct 18 14:19 ./temp_chart/executable.sh
ll ./chart/executable.sh
-rwxrwx--- 1 removed removed 28 Oct 18 13:48 ./chart/executable.sh*