chore: make ./starters/upgrade-starters.sh executable (#30102)
chore: make ./starters/upgrade-starters.sh executable (#30102)

chmod +x on a file (your script)  means, that you'll make it executable.

https://askubuntu.com/questions/443789/what-does-chmod-x-filename-do-and-how-do-i-use-it
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