minor #43299 Fix "can not" spelling (mvorisek)

This PR was squashed before being merged into the 5.4 branch.

Discussion
----------

Fix "can not" spelling

| Q             | A
| ------------- | ---
| Branch?       | 5.4
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Tickets       |
| License       | MIT
| Doc PR        |

Commits
-------

28a438eed4 Fix "can not" spelling

Author: nicolas-grekas

Key.php

@@ -95,7 +95,7 @@ public function isExpired(): bool
     public function __sleep(): array
     {
         if (!$this->serializable) {
-            throw new UnserializableKeyException('The key can not be serialized.');
+            throw new UnserializableKeyException('The key cannot be serialized.');
         }
 
         return ['resource', 'expiringTime', 'state'];

LockInterface.php

@@ -29,7 +29,7 @@ interface LockInterface
      * @return bool
      *
      * @throws LockConflictedException If the lock is acquired by someone else in blocking mode
-     * @throws LockAcquiringException  If the lock can not be acquired
+     * @throws LockAcquiringException  If the lock cannot be acquired
      */
     public function acquire(bool $blocking = false);
 
@@ -39,7 +39,7 @@ public function acquire(bool $blocking = false);
      * @param float|null $ttl Maximum expected lock duration in seconds
      *
      * @throws LockConflictedException If the lock is acquired by someone else
-     * @throws LockAcquiringException  If the lock can not be refreshed
+     * @throws LockAcquiringException  If the lock cannot be refreshed
      */
     public function refresh(float $ttl = null);
 
@@ -53,7 +53,7 @@ public function isAcquired();
     /**
      * Release the lock.
      *
-     * @throws LockReleasingException If the lock can not be released
+     * @throws LockReleasingException If the lock cannot be released
      */
     public function release();
 

SharedLockInterface.php

@@ -28,7 +28,7 @@ interface SharedLockInterface extends LockInterface
      * @return bool
      *
      * @throws LockConflictedException If the lock is acquired by someone else in blocking mode
-     * @throws LockAcquiringException  If the lock can not be acquired
+     * @throws LockAcquiringException  If the lock cannot be acquired
      */
     public function acquireRead(bool $blocking = false);
 }