Add tags field to Filestore Backups for TagsR2401

[SamanthaMathews]

Add tags field to backup resource to allow setting tags on backup resources at creation time.
Part of b/364923942

release-note:none

filestore: added `tags` field to `filstore_backup` to allow setting tags for backups at creation time

The contents of this code are entirely owned by Google LLC in accordance with the agreement between Google LLC and the third party submitting this code into Google's open source repository

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[github-actions]

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[BBBmau]

could you fix the changelog so that it follows what's shown in the guidelines?

https://googlecloudplatform.github.io/magic-modules/contribute/release-notes/

[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.

google provider: Diff ( 4 files changed, 148 insertions(+), 1 deletion(-))
google-beta provider: Diff ( 4 files changed, 148 insertions(+), 1 deletion(-))
terraform-google-conversion: Diff ( 1 file changed, 17 insertions(+))

Missing test report

Your PR includes resource fields which are not covered by any test.

Resource: google_filestore_backup (2 total tests)
Please add an acceptance test which includes these fields. The test should include the following:

resource "google_filestore_backup" "primary" {
  tags = # value needed
}

[modular-magician]

Tests analytics

Total tests: 0
Passed tests: 0
Skipped tests: 0
Affected tests: 0

Click here to see the affected service packages

• filestore

#### Non-exercised tests

Tests were added that are skipped in VCR:

• TestAccFilestoreBackup_tags
  $\textcolor{red}{\textsf{Errors occurred during REPLAYING mode. Please fix them to complete your PR.}}$

View the build log

[BBBmau]

There's a build error due to this line:

google-beta/services/filestore/resource_filestore_backup_test.go:179:13: expected ')', found ','

[SamanthaMathews]

Done

[abd-goog]

Do not hard code tags in here, use the parameter provided. Example: https://screenshot.googleplex.com/BmcLcKPfbbjhbji

[SamanthaMathews]

done

[abd-goog]

nit: instanceName backupName instead of instName bkupName in all usages.

[SamanthaMathews]

done

[c2thorn]

Discussing with @SamanthaMathews offline about this PR and the go rewrite migration

[NickElliot]

Converted, backed up at https://github.com/NickElliot/magic-modules/tree/terraform-filestore-backup-tags-11614-backup