Add pb2 files for protobuf v6

[TimPansino]

Overview

• Generate new pb2 files for protobuf v6.

Issues

Closes #1406

[github-actions]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Warnings	Elapsed time
✅ MARKDOWN	markdownlint	7	0	0	0	1.08s
✅ MARKDOWN	markdown-link-check	7		0	0	16.86s
✅ PYTHON	ruff	908	0	0	0	0.87s
✅ PYTHON	ruff-format	908	0	0	0	0.33s
✅ YAML	prettier	13	0	0	0	1.14s
✅ YAML	v8r	13		0	0	8.51s
✅ YAML	yamllint	13		0	0	0.55s

See detailed report in MegaLinter reports

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.41%. Comparing base (5a378c9) to head (6faead8).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1408      +/-   ##
==========================================
- Coverage   81.49%   81.41%   -0.09%     
==========================================
  Files         205      206       +1     
  Lines       23263    23300      +37     
  Branches     3675     3677       +2     
==========================================
+ Hits        18959    18970      +11     
- Misses       3072     3096      +24     
- Partials     1232     1234       +2     

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