ESM-2 to NeMo checkpoint conversion

[pstjohn]

Adds a conversion script to convert from huggingface to ESM-2 checkpoints

[sichu2023]

So neat. Learned something here.

[jstjohn]

Looks great! Can we close #180 once this merges?

[farhadrgh]

LGTM

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.78%. Comparing base (eb89056) to head (d833763).
Report is 151 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #537      +/-   ##
==========================================
+ Coverage   86.63%   86.78%   +0.14%     
==========================================
  Files         116      118       +2     
  Lines        6966     7044      +78     
==========================================
+ Hits         6035     6113      +78     
  Misses        931      931              

Files with missing lines	Coverage Δ
...ges/bionemo-esm2/src/bionemo/esm2/model/convert.py	100.00% <100.00%> (ø)
...s/bionemo-esm2/src/bionemo/esm2/testing/compare.py	100.00% <100.00%> (ø)
...ckages/bionemo-llm/src/bionemo/llm/model/config.py	95.23% <ø> (ø)
...c/bionemo/testing/megatron_parallel_state_utils.py	91.11% <100.00%> (-0.30%)	⬇️

... and 6 files with indirect coverage changes