[reg-notify-github-with-api-plugin] Tables are indented unnecessarily

Describe the bug

The plugin generates markdown for the table indented by 4 spaces, so it won't render correctly.

reg-suit/packages/reg-notify-github-with-api-plugin/src/create-comment.ts

Lines 41 to 45 in 93f2121

    
             return ` 
        
               | ${headerColumns.join(" | ")} | 
        
               | ${headerDelimiter.join(" | ")} | 
        
               | ${itemCount.join(" | ")} | 
        
             `;

Reproduced step

Create images with diffs
Run reg-suit

Expected behavior

🔴 Changed	🔵 Passing
0	1

Actual behavior

| :red_circle:  Changed | :large_blue_circle:  Passing |
|  ---  |  ---  |
| 0 | 1 |

Screenshots

nothing.

This is not reproducible in our checks 🤔

	return `
	\| ${headerColumns.join(" \| ")} \|
	\| ${headerDelimiter.join(" \| ")} \|
	\| ${itemCount.join(" \| ")} \|
	`;