pindinagesh

Results 4 issues of pindinagesh

Fixing broken link in serving_advanced.md and updated with correct link(https://www.tensorflow.org/tutorials/keras/classification)

Fixing broken link on airflow_workshop.md in the [RandAugment API documentation](https://keras.io/api/keras_cv/layers/preprocessing/rand_augment/) with correct link.

Fixing the broken link in this [section](https://www.tensorflow.org/tfx/tutorials/tfx/gcp/vertex_pipelines_bq#:~:text=to%20publish%20the%20trained%20model%20to%20BigQuery.) with the correct URL.

awaiting review

Fixing broken link on airflow_workshop.md

stat:awaiting response