Add resource_ancestor

[jenshonkan84]

Adds support for Resource Ancestors for billing budgets.

Fixes hashicorp/terraform-provider-google#14913

If this PR is for Terraform, I acknowledge that I have:

• Searched through the issue tracker for an open issue that this either resolves or contributes to, commented on it to claim it, and written "fixes {url}" or "part of {url}" in this PR description. If there were no relevant open issues, I opened one and commented that I would like to work on it (not necessary for very small changes).
• Ensured that all new fields I added that can be set by a user appear in at least one example (for generated resources) or third_party test (for handwritten resources or update tests).
• Generated Terraform providers, and ran make test and make lint in the generated providers to ensure it passes unit and linter tests.
• Ran relevant acceptance tests using my own Google Cloud project and credentials (If the acceptance tests do not yet pass or you are unable to run them, please let your reviewer know).
• Read Write release notes before writing my release note below.

Release Note Template for Downstream PRs (will be copied)

billing_budget: added `resource_ancestors` field to `google_billing_budget` resource

[modular-magician]

Hello! I am a robot who works on Magic Modules PRs.

I've detected that you're a community contributor. @slevenick, a repository maintainer, has been assigned to assist you and help review your changes.

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[jenshonkan84]

Have I missed something? Or can someone approve this?
@slevenick

[slevenick]

Looks like I missed it, sorry. Running build now

[modular-magician]

Hi there, I'm the Modular magician. I've detected the following information about your changes:

Diff report

Your PR generated some diffs in downstreams - here they are.

Terraform GA: Diff ( 3 files changed, 58 insertions(+), 8 deletions(-))
Terraform Beta: Diff ( 3 files changed, 58 insertions(+), 8 deletions(-))
TF Conversion: Diff ( 3 files changed, 15 insertions(+), 3 deletions(-))

[modular-magician]

Tests analytics

Total tests: 2909
Passed tests 2603
Skipped tests: 302
Affected tests: 4

Action taken

Found 4 affected test(s) by replaying old test recordings. Starting RECORDING based on the most recent commit. Click here to see the affected tests

TestAccContainerAwsNodePool_BetaBasicHandWritten|TestAccBillingBudget_billingBudgetFilterExample|TestAccBillingBudget_billingFilterSubaccounts|TestAccBillingBudget_billingBudgetUpdate

Get to know how VCR tests work

[modular-magician]

$\textcolor{green}{\textsf{Tests passed during RECORDING mode:}}$
TestAccBillingBudget_billingFilterSubaccounts[Debug log]
TestAccBillingBudget_billingBudgetUpdate[Debug log]

Rerun these tests in REPLAYING mode to catch issues

$\textcolor{green}{\textsf{No issues found for passed tests after REPLAYING rerun.}}$

---

$\textcolor{red}{\textsf{Tests failed during RECORDING mode:}}$
TestAccContainerAwsNodePool_BetaBasicHandWritten[Error message] [Debug log]
TestAccBillingBudget_billingBudgetFilterExample[Error message] [Debug log]

$\textcolor{red}{\textsf{Please fix these to complete your PR.}}$
View the build log or the debug log for each test

[slevenick]

Test failing due to datasource setup, needs a fix

[modular-magician]

Hi there, I'm the Modular magician. I've detected the following information about your changes:

Diff report

Your PR generated some diffs in downstreams - here they are.

Terraform GA: Diff ( 3 files changed, 53 insertions(+), 8 deletions(-))
Terraform Beta: Diff ( 3 files changed, 53 insertions(+), 8 deletions(-))
TF Conversion: Diff ( 3 files changed, 15 insertions(+), 3 deletions(-))

[modular-magician]

Tests analytics

Total tests: 2917
Passed tests 2614
Skipped tests: 302
Affected tests: 1

Action taken

Found 1 affected test(s) by replaying old test recordings. Starting RECORDING based on the most recent commit. Click here to see the affected tests

TestAccBillingBudget_billingBudgetFilterExample

Get to know how VCR tests work

[modular-magician]

$\textcolor{green}{\textsf{Tests passed during RECORDING mode:}}$
TestAccBillingBudget_billingBudgetFilterExample[Debug log]

Rerun these tests in REPLAYING mode to catch issues

$\textcolor{green}{\textsf{No issues found for passed tests after REPLAYING rerun.}}$

---

$\textcolor{green}{\textsf{All tests passed!}}
View the build log or the debug log for each test

[r-vennam]

@slevenick can you please check this PR as we are in need of this feature too via terraform

[nphilbrook]

Thank you @jenshonkan84 !