alloydb backup

[c2thorn]

Closes hashicorp/terraform-provider-google#11754

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).
• Generated Terraform, and ran make test and make lint to ensure it passes unit and linter tests.
• 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).
• Ran relevant acceptance tests (If the acceptance tests do not yet pass or you are unable to run them, please let your reviewer know).
• Read the Release Notes Guide before writing my release note below.

Release Note Template for Downstream PRs (will be copied)

`google_alloydb_backup`

[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 ( 1 file changed, 182 insertions(+))
Terraform Beta: Diff ( 6 files changed, 1006 insertions(+), 4 deletions(-))
TF Validator: Diff ( 2 files changed, 3 insertions(+), 3 deletions(-))
TF OiCS: Diff ( 4 files changed, 147 insertions(+))

[modular-magician]

Tests analytics

Total tests: 2282
Passed tests 2035
Skipped tests: 244
Failed tests: 3

Action taken

Triggering VCR tests in RECORDING mode for the tests that failed during VCR. Click here to see the failed tests

TestAccAlloydbBackup_alloydbBackupBasicExample|TestAccFirebaserulesRelease_BasicRelease|TestAccLoggingBucketConfigProject_cmekSettings

[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 ( 1 file changed, 177 insertions(+))
Terraform Beta: Diff ( 6 files changed, 932 insertions(+), 4 deletions(-))
TF Validator: Diff ( 2 files changed, 3 insertions(+), 3 deletions(-))
TF OiCS: Diff ( 4 files changed, 150 insertions(+))

[modular-magician]

Tests analytics

Total tests: 2282
Passed tests 2036
Skipped tests: 244
Failed tests: 2

Action taken

Triggering VCR tests in RECORDING mode for the tests that failed during VCR. Click here to see the failed tests

TestAccLoggingBucketConfigProject_cmekSettings|TestAccAlloydbBackup_alloydbBackupFullExample

[modular-magician]

Tests passed during RECORDING mode:
TestAccLoggingBucketConfigProject_cmekSettings[Debug log]
TestAccAlloydbBackup_alloydbBackupFullExample[Debug log]

All tests passed
View the build log or the debug log for each test

[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 ( 1 file changed, 177 insertions(+))
Terraform Beta: Diff ( 6 files changed, 932 insertions(+), 4 deletions(-))
TF Validator: Diff ( 2 files changed, 3 insertions(+), 3 deletions(-))
TF OiCS: Diff ( 4 files changed, 150 insertions(+))

[modular-magician]

Tests analytics

Total tests: 2320
Passed tests 2075
Skipped tests: 244
Failed tests: 1

Action taken

Triggering VCR tests in RECORDING mode for the tests that failed during VCR. Click here to see the failed tests

TestAccLoggingBucketConfigProject_cmekSettings

[modular-magician]

Tests passed during RECORDING mode:
TestAccLoggingBucketConfigProject_cmekSettings[Debug log]

All tests passed
View the build log or the debug log for each test

[shuyama1]

LGTM overall! Do you think it's worth adding an update test? I understand that a lot fields added in this resource is output only. I guess my main concern is if clusterName can be updated.

[c2thorn]

LGTM overall! Do you think it's worth adding an update test? I understand that a lot fields added in this resource is output only. I guess my main concern is if clusterName can be updated.

great catch, thank you. clusterName should not be updatable. I'll add an update test

[c2thorn]

The API did not reject, but did not fulfill the description update. Abnormal

[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 ( 2 files changed, 178 insertions(+))
Terraform Beta: Diff ( 7 files changed, 1012 insertions(+), 4 deletions(-))
TF Validator: Diff ( 2 files changed, 3 insertions(+), 3 deletions(-))
TF OiCS: Diff ( 4 files changed, 150 insertions(+))

[modular-magician]

Tests analytics

Total tests: 2331
Passed tests 2085
Skipped tests: 244
Failed tests: 2

Action taken

Triggering VCR tests in RECORDING mode for the tests that failed during VCR. Click here to see the failed tests

TestAccLoggingBucketConfigProject_cmekSettings|TestAccAlloydbBackup_update

[modular-magician]

Tests passed during RECORDING mode:
TestAccLoggingBucketConfigProject_cmekSettings[Debug log]
TestAccAlloydbBackup_update[Debug log]

All tests passed
View the build log or the debug log for each test