chore(deps): update dependency ibm-cloud-sdk-core to v5.4.5

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Confidence
ibm-cloud-sdk-core	5.4.3 -> 5.4.5

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Release Notes

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

v5.4.5

Compare Source

Bug Fixes

• deps: bump jws and jsonwebtoken to avoid CVE (#​312) (95e5f42)

v5.4.4

Compare Source

Bug Fixes

• check data is present before reading errors (#​309) (3001a0f)

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