Bump github.com/IBM-Cloud/power-go-client from 1.7.1 to 1.8.1

Bumps [github.com/IBM-Cloud/power-go-client](https://github.com/IBM-Cloud/power-go-client) from 1.7.1 to 1.8.1.
- [Release notes](https://github.com/IBM-Cloud/power-go-client/releases)
- [Commits](IBM-Cloud/power-go-client@v1.7.1...v1.8.1)

---
updated-dependencies:
- dependency-name: github.com/IBM-Cloud/power-go-client
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

go.mod

@@ -3,7 +3,7 @@ module sigs.k8s.io/ibm-powervs-block-csi-driver
 go 1.22.0
 
 require (
-	github.com/IBM-Cloud/power-go-client v1.7.1
+	github.com/IBM-Cloud/power-go-client v1.8.1
 	github.com/IBM/go-sdk-core/v5 v5.17.5
 	github.com/IBM/platform-services-go-sdk v0.69.0
 	github.com/container-storage-interface/spec v1.9.0

go.sum

@@ -1,5 +1,5 @@
-github.com/IBM-Cloud/power-go-client v1.7.1 h1:LDEqMGH3KoxgoYfWWM/hG+2fBzy05KFCWygis2fcT3M=
-github.com/IBM-Cloud/power-go-client v1.7.1/go.mod h1:bJZ0gP3MHPNewMFVDXW73/8lJFxXOf8MQR8JaeTyrYo=
+github.com/IBM-Cloud/power-go-client v1.8.1 h1:tx1aPJmIQrNru1MD1VHGNasGx3eRIs0zzPZ0KvdFQrg=
+github.com/IBM-Cloud/power-go-client v1.8.1/go.mod h1:N4RxrsMUvBQjSQ/qPk0iMZ8zK+fZPRTnHi/gTaASw0g=
 github.com/IBM/go-sdk-core/v5 v5.17.5 h1:AjGC7xNee5tgDIjndekBDW5AbypdERHSgib3EZ1KNsA=
 github.com/IBM/go-sdk-core/v5 v5.17.5/go.mod h1:KsAAI7eStAWwQa4F96MLy+whYSh39JzNjklZRbN/8ns=
 github.com/IBM/platform-services-go-sdk v0.69.0 h1:SYpLydPWawyhfFxgDTAc5JqWHywkrzJeIsKtc7t/2YE=