Customize VSCode Keyboard Shortcut

File > Preferences > Keyboard Shortcuts

Click “Open keyboard shortcut” button on the upper right corner.

[
    {
        "key": "F2",
        "command": "editor.foldLevel2",
        "when": "editorTextFocus && foldingEnabled"
    }
]

[

{

"key": "F2",

"command": "editor.foldLevel2",

"when": "editorTextFocus && foldingEnabled"

}

]

Reference:

Rex's Personal Site