CPack/NSIS: Bump minimal version of NSIS to 3.03
Following !6310 (merged), we noticed that before NSIS 3.03, Corsican and Tatar were not present. Also, Scottish Gaelic had an issue causing installer to fail if an uninstaller was required
Following !6310 (merged), we noticed that before NSIS 3.03, Corsican and Tatar were not present. Also, Scottish Gaelic had an issue causing installer to fail if an uninstaller was required