enhance(gh): renovateのicons-subsetterをfrontendグループに統合 (#16161)

renovate.json5

@@ -40,6 +40,7 @@
 				'packages/misskey-bubble-game/**/package.json',
 				'packages/misskey-reversi/**/package.json',
 				'packages/sw/**/package.json',
+				'packages/icons-subsetter/**/package.json',
 			],
 			// prevent wastage of Chromatic snapshots
 			rebaseWhen: 'never',
@@ -62,12 +63,6 @@
 				'scripts/**/package.json',
 			],
 		},
-		{
-			groupName: '[icons-subsetter] Update dependencies',
-			matchFileNames: [
-				'packages/icons-subsetter/**/package.json',
-			],
-		},
 		{
 			groupName: '[GitHub Actions] Update dependencies',
 			matchFileNames: [