PREPARE INSERT with COMPRESS(?) returns ERROR 1406 when prepared plan cache is enabled

## Bug Report

Please answer these questions before submitting your issue. Thanks!

### 1. Minimal reproduce step (Required)

```
SET tidb_enable_prepared_plan_cache=1;

CREATE TABLE t (
id INT NOT NULL,
req_body MEDIUMBLOB DEFAULT NULL,
PRIMARY KEY (id)
);

PREPARE stmt FROM
'INSERT INTO t
(id, req_body)
VALUES (?, COMPRESS(?))';

SET @p1 = 1;
SET @p2 = '{"k":"v","payload":"MASKED_TEXT_ABCDEFGHIJKLMNOPQRSTUVWXYZ_0123456789"}';

EXECUTE stmt USING @p1, @p2;
```

### 2. What did you expect to see? (Required)

No error.

### 3. What did you see instead (Required)

ERROR 1406 (22001): Data too long for column 'req_body' at row 1

### 4. What is your TiDB version? (Required)
v7.5.6