fix(deps): update dependency ibm-cloud-sdk-core to v5.4.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
ibm-cloud-sdk-core	5.4.0 -> 5.4.2

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Release Notes

IBM/node-sdk-core (ibm-cloud-sdk-core)

v5.4.2

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Bug Fixes

• deps: bump axios to 1.11.0 to avoid CVEs (#​306) (42b50af)

v5.4.1

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Bug Fixes

• deps: bump dependencies to avoid CVEs (#​305) (44ad30b)

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