Content: Appeals Tracker Card updates when appeal is submitted

**Describe the task**
As a _student user_, **I want** to have an updated tracker to show that I have submitted an appeal instead of a change request **so that** I'm not confused.

### Acceptance Criteria
- [ ] Change heading: "Your requested change is in progress" to "Your requested appeal is in progress"
- [ ] Change text: "StudentAid BC is reviewing your requested change. If your requested change is approved...." to "StudentAid BC is reviewing your appeal. If your appeal is approved, your application will be re-evaluated with a new assessment below." [TBD]

**Additional context**

Current tracker card: "Your requested change is in progress"

Ref #5507 for Cancel an appeal (Maybe have the cancel appeal in the appeal table YTBD)