Rename cache lock key

Author: timacdonald

src/Illuminate/Cache/Repository.php

@@ -504,7 +504,7 @@ public function flexible($key, $ttl, $callback, $lock = null)
 
  $refresh = function () use ($key, $ttl, $callback, $lock, $created) {
  $this->store->lock(
- "illuminate:cache:refresh:lock:{$key}",
+ "illuminate:cache:flexible:lock:{$key}",
  $lock['seconds'] ?? 0,
  $lock['owner'] ?? null,
  )->get(function () use ($key, $callback, $created, $ttl) {

tests/Integration/Cache/RepositoryTest.php

@@ -105,7 +105,7 @@ public function testStaleWhileRevalidate(): void
  // our own lock. This means that the value should not be refreshed by
  // deferred callback.
  /** @var Lock */
- $lock = $cache->lock('illuminate:cache:refresh:lock:foo');
+ $lock = $cache->lock('illuminate:cache:flexible:lock:foo');
 
  $this->assertTrue($lock->acquire());
  defer()->first()();