terraform/plugins: update libvirt provider

[crawford]

This pulls in some upstream changes 1 that add support for providing
Ignition configs to s390x guests. This doesn't require any changes to
the Terraform templates, but it does require Ignition to be run with
--provider=openstack on s390x (there is no support for the QEMU
firmware configuration device on s390x, so the OpenStack config-drive is
used instead).

[abhinavdahiya]

The bump looks okay to me.

/lgtm

[openshift-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: abhinavdahiya, crawford

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[openshift-bot]

/retest

Please review the full test history for this PR and help us cut down flakes.

[openshift-bot]

/retest

Please review the full test history for this PR and help us cut down flakes.

[openshift-bot]

/retest

Please review the full test history for this PR and help us cut down flakes.

[crawford]

/cherry-pick release-4.3
/cherry-pick release-4.2

[openshift-cherrypick-robot]

@crawford: new pull request created: #2803

In response to this:

/cherry-pick release-4.3
/cherry-pick release-4.2

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[crawford]

/cherry-pick release-4.2

[openshift-cherrypick-robot]

@crawford: #2786 failed to apply on top of branch "release-4.2":

Using index info to reconstruct a base tree...
M	pkg/terraform/exec/plugins/Gopkg.lock
M	pkg/terraform/exec/plugins/Gopkg.toml
M	pkg/terraform/exec/plugins/vendor/github.com/dmacvicar/terraform-provider-libvirt/libvirt/domain.go
M	pkg/terraform/exec/plugins/vendor/github.com/dmacvicar/terraform-provider-libvirt/libvirt/resource_libvirt_domain.go
Falling back to patching base and 3-way merge...
Auto-merging pkg/terraform/exec/plugins/vendor/github.com/dmacvicar/terraform-provider-libvirt/libvirt/resource_libvirt_domain.go
CONFLICT (content): Merge conflict in pkg/terraform/exec/plugins/vendor/github.com/dmacvicar/terraform-provider-libvirt/libvirt/resource_libvirt_domain.go
Auto-merging pkg/terraform/exec/plugins/vendor/github.com/dmacvicar/terraform-provider-libvirt/libvirt/domain.go
CONFLICT (content): Merge conflict in pkg/terraform/exec/plugins/vendor/github.com/dmacvicar/terraform-provider-libvirt/libvirt/domain.go
Auto-merging pkg/terraform/exec/plugins/Gopkg.toml
CONFLICT (content): Merge conflict in pkg/terraform/exec/plugins/Gopkg.toml
Auto-merging pkg/terraform/exec/plugins/Gopkg.lock
CONFLICT (content): Merge conflict in pkg/terraform/exec/plugins/Gopkg.lock
error: Failed to merge in the changes.
Patch failed at 0001 terraform/plugins: update libvirt provider

In response to this:

/cherry-pick release-4.2

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.