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GH-44050: [CI][Integration] Execute integration test again (#44051)

### Rationale for this change

`>` in YAML removes newlines.

### What changes are included in this PR?

Use `|` instead of `>` to keep newlines.

### Are these changes tested?

Yes.

### Are there any user-facing changes?

No.
* GitHub Issue: #44050

Authored-by: Sutou Kouhei <kou@clear-code.com>
Signed-off-by: Sutou Kouhei <kou@clear-code.com>