Remove v2.0 from README title (#602)

### Description
This would fix nbug 5054353, and would use the new badge to indicate the
version. Also adds a badge for the unit test workflow

### Type of changes
<!-- Mark the relevant option with an [x] -->

- [ ]  Bug fix (non-breaking change which fixes an issue)
- [ ]  New feature (non-breaking change which adds functionality)
- [ ]  Refactor
- [ ]  Documentation update
- [ ]  Other (please describe):

### CI Pipeline Configuration
Configure CI behavior by checking relevant boxes below. This will
automatically apply labels.

- [x]
[SKIP_CI](https://github.com/NVIDIA/bionemo-framework/blob/main/docs/docs/user-guide/contributing/contributing.md#skip_ci)
- Skip all continuous integration tests
- [ ]
[INCLUDE_NOTEBOOKS_TESTS](https://github.com/NVIDIA/bionemo-framework/blob/main/docs/docs/user-guide/contributing/contributing.md#include_notebooks_tests)
- Execute notebook validation tests in pytest

> [!NOTE]
> By default, the notebooks validation tests are skipped unless
explicitly enabled.

### Usage
<!--- How does a user interact with the changed code -->
```python
TODO: Add code snippet
```

### Pre-submit Checklist
<!--- Ensure all items are completed before submitting -->

 - [ ] I have tested these changes locally
 - [ ] I have updated the documentation accordingly
 - [ ] I have added/updated tests as needed
 - [ ] All existing tests pass successfully

---------

Signed-off-by: Peter St. John <[email protected]>

README.md

@@ -1,7 +1,8 @@
-# BioNeMo Framework (v2.0)
+# BioNeMo Framework
 
 [![Click here to deploy.](https://uohmivykqgnnbiouffke.supabase.co/storage/v1/object/public/landingpage/brevdeploynavy.svg)](https://console.brev.dev/launchable/deploy/now?launchableID=env-2pPDA4sJyTuFf3KsCv5KWRbuVlU)
 [![Docs Build](https://img.shields.io/github/actions/workflow/status/NVIDIA/bionemo-framework/pages/pages-build-deployment?label=docs-build)](https://nvidia.github.io/bionemo-framework)
+[![Test Status](https://github.com/NVIDIA/bionemo-framework/actions/workflows/unit-tests.yml/badge.svg)](https://github.com/NVIDIA/bionemo-framework/actions/workflows/unit-tests.yml)
 [![Latest Tag](https://img.shields.io/github/v/tag/NVIDIA/bionemo-framework?label=latest-version)](https://catalog.ngc.nvidia.com/orgs/nvidia/teams/clara/containers/bionemo-framework/tags)
 [![codecov](https://codecov.io/gh/NVIDIA/bionemo-framework/branch/main/graph/badge.svg?token=XqhegdZRqB)](https://codecov.io/gh/NVIDIA/bionemo-framework)