Fixed grammatical errors (Issue #2493)

[NishantBansal2003]

Issue Link: #2493
Original Message:

Only those local variables which can be reduced to compile time constant should be used in dimensions of an array.

Updated Message:

Only those local variables that can be reduced to compile-time constants should be used in dimensions of an array.

I've corrected the punctuation errors and improved the word usage for better clarity and consistency. This change ensures that the error message aligns with our style guidelines and improves readability for users encountering this error.

Please review the changes and let me know if there are any further adjustments needed. Thanks!