r/aws_cognito_user_pool_domain: Allow update of certificate_arn in place

[ewbankkit]

Description

Removes ForceNew from certificate_arn.

Relations

Closes #25275.
Closes #14733.

Output from Acceptance Testing

% AWS_DEFAULT_REGION=us-east-1 ACM_CERTIFICATE_ROOT_DOMAIN=example.com make testacc TESTARGS='-run=TestAccCognitoIDPUserPoolDomain_custom' PKG=cognitoidp ACCTEST_PARALLELISM=2
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/cognitoidp/... -v -count 1 -parallel 2  -run=TestAccCognitoIDPUserPoolDomain_custom -timeout 180m
=== RUN   TestAccCognitoIDPUserPoolDomain_custom
=== PAUSE TestAccCognitoIDPUserPoolDomain_custom
=== RUN   TestAccCognitoIDPUserPoolDomain_customCertUpdate
=== PAUSE TestAccCognitoIDPUserPoolDomain_customCertUpdate
=== CONT  TestAccCognitoIDPUserPoolDomain_custom
=== CONT  TestAccCognitoIDPUserPoolDomain_customCertUpdate
--- PASS: TestAccCognitoIDPUserPoolDomain_customCertUpdate (1041.87s)
--- PASS: TestAccCognitoIDPUserPoolDomain_custom (1044.09s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/cognitoidp	1049.620s

[github-actions]

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[github-actions]

This functionality has been released in v4.59.0 of the Terraform AWS Provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

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[github-actions]

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