fix(VTimePicker): fix types for emit events (#20126)

fixes #20085

Author: SonTT19

packages/vuetify/src/labs/VTimePicker/VTimePicker.tsx

@@ -56,11 +56,11 @@ export const VTimePicker = genericComponent<VTimePickerSlots>()({
   props: makeVTimePickerProps(),
 
   emits: {
-    'update:hour': (val: number) => val,
-    'update:minute': (val: number) => val,
-    'update:period': (val: Period) => val,
-    'update:second': (val: number) => val,
-    'update:modelValue': (val: string) => val,
+    'update:hour': (val: number) => true,
+    'update:minute': (val: number) => true,
+    'update:period': (val: Period) => true,
+    'update:second': (val: number) => true,
+    'update:modelValue': (val: string) => true,
   },
 
   setup (props, { emit, slots }) {

packages/vuetify/src/labs/VTimePicker/VTimePickerClock.tsx

@@ -56,8 +56,8 @@ export const VTimePickerClock = genericComponent()({
   props: makeVTimePickerClockProps(),
 
   emits: {
-    change: (val: number) => val,
-    input: (val: number) => val,
+    change: (val: number) => true,
+    input: (val: number) => true,
   },
 
   setup (props, { emit }) {

packages/vuetify/src/labs/VTimePicker/VTimePickerControls.tsx

@@ -36,8 +36,8 @@ export const VTimePickerControls = genericComponent()({
   props: makeVTimePickerControlsProps(),
 
   emits: {
-    'update:period': (data: Period) => data,
-    'update:selecting': (data: 1 | 2 | 3) => data,
+    'update:period': (data: Period) => true,
+    'update:selecting': (data: 1 | 2 | 3) => true,
   },
 
   setup (props, { emit, slots }) {