chore(deps): update clickhouse/clickhouse-server docker tag to v26

[Fameing]

This PR contains the following updates:

Package	Update	Change
clickhouse/clickhouse-server	major	25.1.1 → 26.1.2

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This PR has been generated by Renovate Bot.

Summary by CodeRabbit

• Chores
  • Updated the default ClickHouse server image for embedded ClickHouse from 25.1.1 to 26.3.2. Embedded instances will now use the newer ClickHouse release by default, bringing its fixes and improvements while not changing runtime behavior or error handling.

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📝 Walkthrough

Walkthrough

The default ClickHouse Docker image version was bumped from clickhouse/clickhouse-server:25.1.1 to clickhouse/clickhouse-server:26.3.2 in both README and the Java properties class; no behavioral or control-flow changes were made.

Changes

Cohort / File(s)	Summary
ClickHouse Docker Image Version Bump embedded-clickhouse/README.adoc, embedded-clickhouse/src/main/java/com/playtika/testcontainer/clickhouse/ClickHouseProperties.java	Updated default Docker image from clickhouse/clickhouse-server:25.1.1 to clickhouse/clickhouse-server:26.3.2 in documentation and source.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Suggested reviewers

• Periecle

Poem

🐰 I hopped through lines both small and spry,

A tiny tag change, then gave a sigh.
From twenty-five to twenty-six, anew,
Containers hum a brighter tune.
Merge the patch — I nibble a carrot or two.

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main change: updating the ClickHouse Docker image tag from version 25.1.1 to 26.3.2, which aligns with both file changes.
Docstring Coverage	✅ Passed	Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch renovate/clickhouse-clickhouse-server-26.x

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