add billable rate restriction for free organizations

resources/js/packages/ui/src/UpgradeLockedValue.vue

@@ -0,0 +1,22 @@
+<script setup lang="ts">
+import { LockClosedIcon } from '@heroicons/vue/20/solid';
+import { Button } from './Buttons';
+import { useBillableRatesLock } from './utils/useBillableRatesLock';
+
+const { requestUpgrade } = useBillableRatesLock();
+</script>
+
+<template>
+    <span class="inline-flex items-center gap-1">
+        --
+        <Button
+            variant="ghost"
+            size="icon"
+            class="h-6 w-6 text-text-tertiary hover:text-text-primary"
+            aria-label="Upgrade to unlock billable rates"
+            data-testid="billable_rates_locked_button"
+            @click.prevent.stop="requestUpgrade">
+            <LockClosedIcon />
+        </Button>
+    </span>
+</template>