Pass in rotary_base to mcore and from HF
jenkins jenkins This PR incremented the version of Megatron Core from `e122536b7645edcb7ebf099b5c92a443f7dbf8e7` to `973330e9c3681604703bf1eb6b5a265d1b9b9b38`, that is from 0.3.0 to 0.4.0, but did not change the [requirements file](https://github.com/NVIDIA/NeMo/blob/main/requirements/requirements_nlp.txt#L13) accordingly
# What does this PR do ?

This depends on the following mcore commit https://github.com/NVIDIA/Megatron-LM/commit/d931ba8a492801d9d74efba6be94f82387090e57, so if it's not yet integrated into our main branch, we'd need to wait before merging this PR.

**Collection**: NLP
# Changelog 
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