feat: consume reservation samples

[BigBlackWolf]

Description

Samples, which demonstrates how to create reservation, which can be consumed by:

• any instance
• instance, which should specify exact reservation

doc link: https://cloud.google.com/compute/docs/instances/reservations-consume

Note: Before submitting a pull request, please open an issue for discussion if you are not associated with Google.

Checklist

• [ ] I have followed Contributing Guidelines from CONTRIBUTING.MD
• [ ] Tests pass: go test -v ./.. (see Testing)
• [ ] Code formatted: gofmt (see Formatting)
• [ ] Vetting pass: go vet (see Formatting)
• [ ] These samples need a new API enabled in testing projects to pass (let us know which ones)
• [ ] These samples need a new/updated env vars in testing projects set to pass (let us know which ones)
• [ ] This sample adds a new sample directory, and I updated the CODEOWNERS file with the codeowners for this sample
• [ ] This sample adds a new Product API, and I updated the Blunderbuss issue/PR auto-assigner with the codeowners for this sample
• [ ] Please merge this PR for me once it is approved

[snippet-bot[bot]]

Here is the summary of changes.

You are about to add 2 region tags.

- [compute/reservations/consume_any_reservation.go:17](https://github.com/GoogleCloudPlatform/golang-samples/blob/0c7aa0c911c80a8da9eea5bac1bbe2c7a9c97d6b/compute/reservations/consume_any_reservation.go#L17), tag `compute_consume_any_matching_reservation` - [compute/reservations/consume_specific_reservation.go:17](https://github.com/GoogleCloudPlatform/golang-samples/blob/0c7aa0c911c80a8da9eea5bac1bbe2c7a9c97d6b/compute/reservations/consume_specific_reservation.go#L17), tag `compute_consume_single_project_reservation`

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[telpirion]

Hello @BigBlackWolf -- please resolve the merge conflicts and I will merge this PR. Thank you!

[BigBlackWolf]

Hello @BigBlackWolf -- please resolve the merge conflicts and I will merge this PR. Thank you!

Hi @telpirion , thanks for pointing out. I’ve synced branch with main and now it’s up to date 🙌