Merge _cut_rc.yml into version-bump.yml

[vgrassia]

Type of change

- [ ] Bug fix
- [ ] New feature development
- [ ] Tech debt (refactoring, code cleanup, dependency upgrades, etc)
- [X] Build/deploy pipeline (DevOps)
- [ ] Other

Objective

Move the contents of _cut_rc.yml workflow into version-bump.yml workflow.

Code changes

• .github/workflows/_cut_rc.yml: Deleted as it's no longer needed.
• .github/workflows/version-bump.yml: Merged in contents of _cut_rc.yml workflow.

Before you submit

• Please check for formatting errors (dotnet format --verify-no-changes) (required)
• If making database changes - make sure you also update Entity Framework queries and/or migrations
• Please add unit tests where it makes sense to do so (encouraged but not required)
• If this change requires a documentation update - notify the documentation team
• If this change has particular deployment requirements - notify the DevOps team