sns/topic: ISO-friendly tagging

[YakDriver]

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Closes #21209
Relates #22532

Output from acceptance testing (us-west-2):

% make testacc TESTS=TestAccSNSTopic_ PKG=sns
--- PASS: TestAccSNSTopic_fifoExpectContentBasedDeduplicationError (4.25s)
--- PASS: TestAccSNSTopic_disappears (17.49s)
--- PASS: TestAccSNSTopic_name (24.78s)
--- PASS: TestAccSNSTopic_NamePrefix_fifoTopic (24.97s)
--- PASS: TestAccSNSTopic_namePrefix (25.12s)
--- PASS: TestAccSNSTopic_Name_fifoTopic (25.13s)
--- PASS: TestAccSNSTopic_policy (25.14s)
--- PASS: TestAccSNSTopic_NameGenerated_fifoTopic (25.14s)
--- PASS: TestAccSNSTopic_withDeliveryPolicy (25.14s)
--- PASS: TestAccSNSTopic_basic (25.18s)
--- PASS: TestAccSNSTopic_withIAMRole (32.51s)
--- PASS: TestAccSNSTopic_fifoWithContentBasedDeduplication (34.85s)
--- PASS: TestAccSNSTopic_encryption (35.21s)
--- PASS: TestAccSNSTopic_deliveryStatus (36.25s)
--- PASS: TestAccSNSTopic_tags (44.99s)
--- PASS: TestAccSNSTopic_withFakeIAMRole (130.83s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/sns	132.191s

Output from acceptance testing (GovCloud):

% make testacc TESTS=TestAccSNSTopic_ PKG=sns
--- PASS: TestAccSNSTopic_fifoExpectContentBasedDeduplicationError (5.28s)
--- SKIP: TestAccSNSTopic_Name_fifoTopic (10.68s)
--- SKIP: TestAccSNSTopic_fifoWithContentBasedDeduplication (10.69s)
--- SKIP: TestAccSNSTopic_NameGenerated_fifoTopic (10.69s)
--- SKIP: TestAccSNSTopic_NamePrefix_fifoTopic (10.70s)
--- PASS: TestAccSNSTopic_disappears (20.55s)
--- PASS: TestAccSNSTopic_withDeliveryPolicy (27.36s)
--- PASS: TestAccSNSTopic_basic (27.42s)
--- PASS: TestAccSNSTopic_name (27.49s)
--- PASS: TestAccSNSTopic_namePrefix (27.54s)
--- PASS: TestAccSNSTopic_policy (27.57s)
--- PASS: TestAccSNSTopic_withIAMRole (33.66s)
--- PASS: TestAccSNSTopic_deliveryStatus (40.43s)
--- PASS: TestAccSNSTopic_encryption (40.64s)
--- PASS: TestAccSNSTopic_tags (53.25s)
--- PASS: TestAccSNSTopic_withFakeIAMRole (133.58s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/sns	134.787s

[ewbankkit]

LGTM 🚀.

% make testacc TESTS=TestAccSNSTopic_ PKG=sns
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/sns/... -v -count 1 -parallel 20 -run='TestAccSNSTopic_'  -timeout 180m
=== RUN   TestAccSNSTopic_basic
=== PAUSE TestAccSNSTopic_basic
=== RUN   TestAccSNSTopic_name
=== PAUSE TestAccSNSTopic_name
=== RUN   TestAccSNSTopic_namePrefix
=== PAUSE TestAccSNSTopic_namePrefix
=== RUN   TestAccSNSTopic_policy
=== PAUSE TestAccSNSTopic_policy
=== RUN   TestAccSNSTopic_withIAMRole
=== PAUSE TestAccSNSTopic_withIAMRole
=== RUN   TestAccSNSTopic_withFakeIAMRole
=== PAUSE TestAccSNSTopic_withFakeIAMRole
=== RUN   TestAccSNSTopic_withDeliveryPolicy
=== PAUSE TestAccSNSTopic_withDeliveryPolicy
=== RUN   TestAccSNSTopic_deliveryStatus
=== PAUSE TestAccSNSTopic_deliveryStatus
=== RUN   TestAccSNSTopic_NameGenerated_fifoTopic
=== PAUSE TestAccSNSTopic_NameGenerated_fifoTopic
=== RUN   TestAccSNSTopic_Name_fifoTopic
=== PAUSE TestAccSNSTopic_Name_fifoTopic
=== RUN   TestAccSNSTopic_NamePrefix_fifoTopic
=== PAUSE TestAccSNSTopic_NamePrefix_fifoTopic
=== RUN   TestAccSNSTopic_fifoWithContentBasedDeduplication
=== PAUSE TestAccSNSTopic_fifoWithContentBasedDeduplication
=== RUN   TestAccSNSTopic_fifoExpectContentBasedDeduplicationError
=== PAUSE TestAccSNSTopic_fifoExpectContentBasedDeduplicationError
=== RUN   TestAccSNSTopic_encryption
=== PAUSE TestAccSNSTopic_encryption
=== RUN   TestAccSNSTopic_tags
=== PAUSE TestAccSNSTopic_tags
=== RUN   TestAccSNSTopic_disappears
=== PAUSE TestAccSNSTopic_disappears
=== CONT  TestAccSNSTopic_basic
=== CONT  TestAccSNSTopic_encryption
=== CONT  TestAccSNSTopic_fifoWithContentBasedDeduplication
=== CONT  TestAccSNSTopic_tags
=== CONT  TestAccSNSTopic_Name_fifoTopic
=== CONT  TestAccSNSTopic_withFakeIAMRole
=== CONT  TestAccSNSTopic_NameGenerated_fifoTopic
=== CONT  TestAccSNSTopic_deliveryStatus
=== CONT  TestAccSNSTopic_disappears
=== CONT  TestAccSNSTopic_policy
=== CONT  TestAccSNSTopic_withIAMRole
=== CONT  TestAccSNSTopic_withDeliveryPolicy
=== CONT  TestAccSNSTopic_NamePrefix_fifoTopic
=== CONT  TestAccSNSTopic_namePrefix
=== CONT  TestAccSNSTopic_name
=== CONT  TestAccSNSTopic_fifoExpectContentBasedDeduplicationError
--- PASS: TestAccSNSTopic_fifoExpectContentBasedDeduplicationError (9.48s)
--- PASS: TestAccSNSTopic_disappears (37.62s)
--- PASS: TestAccSNSTopic_namePrefix (44.06s)
--- PASS: TestAccSNSTopic_Name_fifoTopic (49.58s)
--- PASS: TestAccSNSTopic_NamePrefix_fifoTopic (49.63s)
--- PASS: TestAccSNSTopic_NameGenerated_fifoTopic (49.68s)
--- PASS: TestAccSNSTopic_name (49.75s)
--- PASS: TestAccSNSTopic_withDeliveryPolicy (49.83s)
--- PASS: TestAccSNSTopic_policy (49.92s)
--- PASS: TestAccSNSTopic_basic (50.03s)
--- PASS: TestAccSNSTopic_deliveryStatus (59.14s)
--- PASS: TestAccSNSTopic_encryption (64.13s)
--- PASS: TestAccSNSTopic_fifoWithContentBasedDeduplication (64.14s)
--- PASS: TestAccSNSTopic_withIAMRole (69.69s)
--- PASS: TestAccSNSTopic_tags (74.61s)
--- PASS: TestAccSNSTopic_withFakeIAMRole (142.25s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/sns	148.659s

[github-actions]

This functionality has been released in v3.72.0 of the Terraform AWS Provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

For further feature requests or bug reports with this functionality, please create a new GitHub issue following the template. Thank you!

[github-actions]

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