Fix indentation in `.json` files

[xtqqczze]

Some files have an indentation size of 4 when it should be 2, e.g.:

runtime/.config/CredScanSuppressions.json

Lines 1 to 3 in 5d98ad8

	{
	"tool": "Credential Scanner",
	"suppressions": [

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[amritanand-py]

Hey @xtqqczze can i pick this up if nobody is working?