docs: add trino to supported dialects in readme

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Benchmark for 304b7f6

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| Test | Base | PR | % | |------|--------------|------------------|---| | DepthMap::from_parent | 41.3±0.26µs | 41.5±0.60µs | +0.48% | | fix_complex_query | 11.5±0.17ms | **11.2±0.15ms** | **-2.61%** | | parse_complex_query | **2.8±0.04µs** | 2.9±0.03µs | **+3.57%** | | parse_expression_recursion | **5.1±0.19µs** | 5.3±0.07µs | **+3.92%** | | parse_simple_query | **814.6±5.50ns** | 823.6±16.13ns | **+1.10%** |