[fix](doc) arrays-overlap.md zh: remove stray apostrophe after closing fence

[boluor]

Summary

Two fenced code blocks in 示例 3 and 示例 4 of the ZH page close with \``'(extra apostrophe) instead of````. CommonMark treats this as an open fence that never closes, so everything after — including the CREATE TABLE in 示例 5 — gets parsed as one continuous code block, hiding the setup SQL from any reader who copies it out as runnable Markdown.

After the fix, the doc extracts identically to the EN version: 13 statements, same kinds, same SQL.

Verification

Ran the runnable example end-to-end against a freshly deployed Doris 4.1.1 single-node cluster:

CREATE TABLE IF NOT EXISTS arrays_overlap_table (
    id INT,
    array_column ARRAY<STRING>,
    INDEX idx_array_column (array_column) USING INVERTED
) ENGINE=OLAP
DUPLICATE KEY(id)
DISTRIBUTED BY HASH(id) BUCKETS 1
PROPERTIES ("replication_num" = "1");

INSERT INTO arrays_overlap_table (id, array_column) VALUES
  (1, ARRAY('HELLO', 'ALOHA')),
  (2, ARRAY('NO', 'WORLD'));

SELECT * FROM arrays_overlap_table WHERE ARRAYS_OVERLAP(array_column, ARRAY('HELLO', 'PICKLE'));
-- 1 row: id=1, array_column=["HELLO", "ALOHA"]

SELECT ARRAYS_OVERLAP(array_column, ARRAY('HELLO', 'PICKLE')) FROM arrays_overlap_table;
-- two rows: 1, 0

Both outputs match what 示例 5 documents.

Test plan

• Verified Markdown fence parses correctly (extractor surfaces CREATE TABLE / INSERT as exec, not illustrative)
• Verified ZH stmt structure matches EN after fix (13 stmts, identical kinds)
• Ran 示例 5 SQL end-to-end on Doris 4.1.1; output matches doc

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