fix: make CLI scripts executable

[stdlib-bot]

This PR changes the permissions of project cli scripts to be executable.

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
assert/has-float16array-support	$\color{green}133/133$ $\color{green}+100.00\%$	$\color{red}11/12$ $\color{green}+91.67\%$	$\color{green}1/1$ $\color{green}+100.00\%$	$\color{green}133/133$ $\color{green}+100.00\%$

The above coverage report was generated for the changes in this PR.

[stdlib-bot]

PR Commit Message

fix: make CLI scripts executable

PR-URL: https://github.com/stdlib-js/stdlib/pull/7635

Co-authored-by: Philipp Burckhardt <[email protected]>
Reviewed-by: Philipp Burckhardt <[email protected]>
Signed-off-by: stdlib-bot <[email protected]>

Please review the above commit message and make any necessary adjustments.