fix: error not checked

[tenthirtyam]

Description

Fixes error not checked identified by golangci-lint.

Before:

~/Downloads/terraform-provider-vsphere git:[fix/error-not-checked]
golangci-lint run
vsphere/data_source_vsphere_datacenter.go:53:20: Error return value of `view.Destroy` is not checked (errcheck)
        defer view.Destroy(ctx)
                          ^
vsphere/distributed_virtual_switch_helper.go:176:11: Error return value of `task.Wait` is not checked (errcheck)
        task.Wait(tctx)
                 ^
2 issues:
* errcheck: 2

After:

~/Downloads/terraform-provider-vsphere git:[fix/error-not-checked]
golangci-lint run
0 issues.

[github-actions]

This functionality has been released in v2.13.0 of the Terraform Provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

For further feature requests or bug reports with this functionality, please create a new GitHub issue following the template. Thank you!