Change the LFC size to 32MB for test_read_validation

[a-masterov]

Problem

We have multiple test failures for test_read_validation if LFC is enabled

Summary of changes

The LFC size was increased to 32MB for this test

[github-actions]

8030 tests run: 7722 passed, 0 failed, 308 skipped (full report)

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Flaky tests (1)

Postgres 16

• test_isolation[None]: release-x86-64

Code coverage* (full report)

• functions: 30.7% (7977 of 26014 functions)
• lines: 48.6% (63321 of 130404 lines)

* collected from Rust tests only

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_{The comment gets automatically updated with the latest test results
7761b53 at 2024-11-27T14:02:27.569Z :recycle:}