Indentations are not correctly handled for expressions in C/C++. To fix
this i have updated indents.scm for both C/C++, there could be more
languages which have this problem but i have only noticed it in these
languages.

Current indentation behaviour:


https://github.com/user-attachments/assets/2804d3a6-2dde-484b-b1f4-0a867801bc0c

Expected indentation behaviour:


https://github.com/user-attachments/assets/b1ebe840-7391-4f5d-bfe0-87d413f5dfe2

Release Notes:

- Improved indentation for C/C++ to be more consistent.

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Co-authored-by: Christopher Biscardi <chris@christopherbiscardi.com>