Upgrades Polkadot Asset Hub and Collectives Runtime to 1.4.2 https://github.com/polkadot-fellows/runtimes/releases/tag/v1.4.2  

Fellowship whitelist proposal: https://collectives.subsquare.io/fellowship/referenda/309

- Problem Statement: Upgrading Polkadot Asset Hub and Collectives Runtime to version 1.4.2 for the Polkassembly community.
- Significance: Enhancing the functionality and security of the Polkadot Asset Hub and Collectives Runtime.
- Proposed Solution: Upgrade to version 1.4.2 through the fellowship whitelist proposal.
- Expected Outcomes: Improved performance and security for the Polkassembly community.

#1486 [Runtime 1.4.2] Upgrade Polkadot Asset Hub and Collectives

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