Make any typing linting opt-out instead of opt-in (#6542)

# Description of Changes
Reconfigure linting of `any` type to an opt-out instead of an opt-in
strategy now that we're close enough to everything supporting it. Also
slightly expands the scope of things included in the linting.

frontend/editor/scripts/generate-icons.js

@@ -225,7 +225,7 @@ export type MaterialSymbolIcon = ${usedIcons.map((icon) => `'${icon}'`).join(" |
 
 export interface IconSet {
   prefix: string;
-  icons: Record<string, any>;
+  icons: Record<string, unknown>;
   width?: number;
   height?: number;
 }