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MINOR: [Release] Add RC number and version to verify release candidate success message (#14664)

I've tested locally when verifying 10.0.1 rc 0:
```
Release candidate number: 0 for version: 10.0.1 looks good!
```

Lead-authored-by: Raúl Cumplido <raulcumplido@gmail.com>
Co-authored-by: Sutou Kouhei <kou@cozmixng.org>
Signed-off-by: Sutou Kouhei <kou@clear-code.com>