Schedule a majority-carries referendum to be tabled next once it is legal to schedule
an external referendum.

The dispatch of this call must be `ExternalMajorityOrigin`.

- `proposal_hash`: The preimage hash of the proposal.

Unlike `external_propose`, blacklisting has no effect on this and it may replace a
pre-scheduled `external_propose` call.

Weight: `O(1)`

- Problem Statement: The Polkadot ecosystem is facing issues with uncredited code use, misuse of the Polkadot brand, and unethical behavior by some teams. The intended audience is the Polkadot community, including developers, projects, and other stakeholders.
- Significance: The problem threatens the integrity of the Polkadot ecosystem, making it difficult for users to distinguish between good and bad actors, and potentially damaging the reputation and growth of the network.
- Proposed Solution: The establishment of the Polkadot Alliance, an on-chain collective founded by seven leading Polkadot projects. The Alliance aims to set and enforce standards and ethics for open-source development, manage its own membership, and curate an "Unscrupulous List" of unethical actors.
- Expected Outcomes: The Alliance will help protect the Polkadot ecosystem from unethical practices, promote open-source development standards, and provide a framework for recognizing teams that contribute positively to the ecosystem. This will enhance the reputation of the Polkadot network, attract more quality projects, and ultimately strengthen the Polkadot ecosystem.

#310 The Seeding of the Polkadot Alliance: Fighting for an open source culture and open collaboration that benefits the Polkadot ecosystem