r/s3_bucket_cors_configuration: add retry around Get method during read

[anGie44]

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Closes #22976

Output from acceptance testing:

--- PASS: TestAccS3BucketCorsConfiguration_MultipleRules (33.28s)
--- PASS: TestAccS3BucketCorsConfiguration_basic (33.35s)
--- PASS: TestAccS3BucketCorsConfiguration_SingleRule (33.81s)
--- PASS: TestAccS3BucketCorsConfiguration_update (81.59s)
--- PASS: TestAccS3BucketCorsConfiguration_disappears (149.95s)

[ewbankkit]

LGTM 🚀.

% make testacc TESTS=TestAccS3BucketCorsConfiguration_ PKG=s3
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/s3/... -v -count 1 -parallel 20 -run='TestAccS3BucketCorsConfiguration_'  -timeout 180m
=== RUN   TestAccS3BucketCorsConfiguration_basic
=== PAUSE TestAccS3BucketCorsConfiguration_basic
=== RUN   TestAccS3BucketCorsConfiguration_disappears
=== PAUSE TestAccS3BucketCorsConfiguration_disappears
=== RUN   TestAccS3BucketCorsConfiguration_update
=== PAUSE TestAccS3BucketCorsConfiguration_update
=== RUN   TestAccS3BucketCorsConfiguration_SingleRule
=== PAUSE TestAccS3BucketCorsConfiguration_SingleRule
=== RUN   TestAccS3BucketCorsConfiguration_MultipleRules
=== PAUSE TestAccS3BucketCorsConfiguration_MultipleRules
=== CONT  TestAccS3BucketCorsConfiguration_basic
=== CONT  TestAccS3BucketCorsConfiguration_SingleRule
=== CONT  TestAccS3BucketCorsConfiguration_update
=== CONT  TestAccS3BucketCorsConfiguration_MultipleRules
=== CONT  TestAccS3BucketCorsConfiguration_disappears
--- PASS: TestAccS3BucketCorsConfiguration_basic (42.77s)
--- PASS: TestAccS3BucketCorsConfiguration_MultipleRules (42.77s)
--- PASS: TestAccS3BucketCorsConfiguration_SingleRule (42.80s)
--- PASS: TestAccS3BucketCorsConfiguration_update (100.32s)
--- PASS: TestAccS3BucketCorsConfiguration_disappears (156.58s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/s3	165.144s

[github-actions]

This functionality has been released in v4.0.0 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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