Update sdk-core

[danielailie]

No description provided.

[Copilot]

Pull Request Overview

This PR updates the MultiversX SDK core to version 15.0.0-beta.0 and adapts the codebase to the new API changes introduced in this version.

• Changed method calls from hex() to toHex() on Address objects to align with the new SDK API
• Added await keywords to createTransactionForExecute method calls that now return Promises
• Updated the form-data dependency from version 4.0.0 to 4.0.3

Reviewed Changes

Copilot reviewed 7 out of 8 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
package.json	Updates @multiversx/sdk-core to 15.0.0-beta.0 and form-data to 4.0.3
proxy-deployer.abi.service.ts	Changes Address.hex() to Address.toHex() and adds await to createTransactionForExecute calls
collections-transactions.service.ts	Adds await to factory transaction creation methods
minters-deployer.abi.service.ts	Adds await to createTransactionForExecute calls
nft-minter.abi.service.ts	Adds await to createTransactionForExecute calls
nft-marketplace.abi.service.ts	Adds await to createTransactionForExecute calls
assets-transaction.service.ts	Adds await to various transaction factory methods

Comments suppressed due to low confidence (1)

package.json:42

• Using a beta version (15.0.0-beta.0) in production code introduces potential stability risks. Beta versions may contain breaking changes or bugs that could affect application reliability. Consider using a stable release version instead.

    "@multiversx/sdk-core": "15.0.0-beta.0",