bug`--gas-report`): adjust numerical cells in to be right aligned

[lababidi]

Component

Forge

Have you ensured that all of these are up to date?

• Foundry
• Foundryup

What version of Foundry are you on?

No response

What version of Foundryup are you on?

No response

What command(s) is the bug in?

No response

Operating System

None

Describe the bug

Gas value cells in Gas Report are not right aligned. Numbers in a table should be right aligned, similar to a spreadsheet to compare values easily.

Solved by #12883