Referendum to approve [RFC-32](https://github.com/polkadot-fellows/RFCs/pull/32)

Increment the rank of an existing member by one.

- `origin`: Must be the `AdminOrigin`.
- `who`: Account of existing member.

Weight: `O(1)`

- **Problem Statement:** Polkassembly Fellowship Referendum RFC-32 needs approval.
- **Significance:** Ensuring community participation and decision-making.
- **Proposed Solution:** Approve RFC-32 through the referendum.
- **Expected Outcomes:** Increased community engagement and transparency.

#28 Approve RFC-32