feat(io-onnx): import LeakyRelu, Silu, Clip, BatchNormalization and Pad as real ops - #1466

Submitted dependency-graph-reports/dynamicdependency-graphauto-submission-submit-gradle.json: The snapshot was accepted, but it is not for the default branch. It will not update dependency results for the repository.

Using Java 21 (temurin) with Gradle (using wrapper)