Update Version Bump workflow

[vgrassia]

Type of change

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

Objective

This PR updates our Version Bump workflow so that it can be called from other workflows and also creates and approves PRs automatically. There are also other miscellaneous changes to formatting and names as well.

Code changes

• .github/workflows/version-bump.yml: Updated workflow to be callable and create/approve PRs automatically.

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

[bitwarden-bot]

Checkmarx One – Scan Summary & Details – e5c3e175-c02f-4f1f-ab8a-83350ccd4fe1

New Issues

Severity	Issue	Source File / Package	Checkmarx Insight
	Unpinned Actions Full Length Commit SHA	/version-bump.yml: 81	Pinning an action to a full length commit SHA is currently the only way to use an action as an immutable release. Pinning to a particular SHA helps...
	Unpinned Actions Full Length Commit SHA	/version-bump.yml: 34	Pinning an action to a full length commit SHA is currently the only way to use an action as an immutable release. Pinning to a particular SHA helps...

Fixed Issues

Severity	Issue	Source File / Package
	Unpinned Actions Full Length Commit SHA	/version-bump.yml: 51
	Unpinned Actions Full Length Commit SHA	/version-bump.yml: 27