Update module github.com/gophercloud/gophercloud to v1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
github.com/gophercloud/gophercloud	require	major	v0.25.0 -> v1.0.0

---

Release Notes

gophercloud/gophercloud

v1.0.0

Compare Source

UPGRADE NOTES + PROMISE OF COMPATIBILITY

• Introducing Gophercloud v1! Like for every other release so far, all clients will upgrade automatically with go get -d github.com/gophercloud/gophercloud unless the dependency is pinned in go.mod.
• Gophercloud v1 comes with a promise of compatibility: no breaking changes are expected to merge before v2.0.0.

IMPROVEMENTS

• Added compute.v2/extensions/services.Delete GH-2427
• Added support for standard-attr-revisions to networking/v2/networks, networking/v2/ports, and networking/v2/subnets GH-2437
• Added updated_at and created_at fields to networking/v2/ports.Port GH-2445

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, click this checkbox.

---

This PR has been generated by Mend Renovate. View repository job log here.

[coveralls]

Coverage remained the same at 0.0% when pulling 478a64b on renovate/github.com-gophercloud-gophercloud-1.x into eba8427 on master.