Upgrades the Kusama Asset Hub to runtime 1.4.2: https://github.com/polkadot-fellows/runtimes/releases/tag/v1.4.2

Fellowship whitelist: https://kusama.subsquare.io/fellowship/referenda/94

- **Problem Statement:** Upgrading the Kusama Asset Hub to runtime 1.4.2 for the intended audience of Kusama network users.
- **Significance:** Enhancing the functionality and security of the Kusama Asset Hub through the runtime upgrade.
- **Proposed Solution:** Upgrade the Kusama Asset Hub to runtime 1.4.2.
- **Expected Outcomes:** Improved functionality and security for Kusama network users.

#505 [Runtime 1.4.2] Upgrade Asset Hub

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