Update CODECRAFTERS_CLI_VERSION to v45 in install.sh script.

[rohitpaulk]

Note

Bumps the default CLI version used by install.sh to v45, updating the download target and reported version.

• Changes VERSION default from v44 to v45
• Minor indentation/style tweaks; no logic changes

^{Written by Cursor Bugbot for commit 5c3b70f. This will update automatically on new commits. Configure here.}