r/aws_ecr_image: fix regression for most recent

[johnsonaj]

Description

Most recent image can be different than the imaged tagged as latest and do not share the same tags.

Relations

Closes #35263.
Relates #24526.

References

Output from Acceptance Testing

% make testacc TESTARGS="-run=TestAccECRImageDataSource_basic" PKG=ecr

==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/ecr/... -v -count 1 -parallel 20  -run=TestAccECRImageDataSource_basic -timeout 360m
=== RUN   TestAccECRImageDataSource_basic
=== PAUSE TestAccECRImageDataSource_basic
=== CONT  TestAccECRImageDataSource_basic
--- PASS: TestAccECRImageDataSource_basic (11.67s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/ecr	15.495s

[github-actions]

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[ewbankkit]

Needs a CHANGELOG entry.

[ewbankkit]

LGTM 🚀.

% make testacc TESTARGS='-run=TestAccECRImageDataSource_' PKG=ecr ACCTEST_PARALLELISM=2
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/ecr/... -v -count 1 -parallel 2  -run=TestAccECRImageDataSource_ -timeout 360m
=== RUN   TestAccECRImageDataSource_basic
=== PAUSE TestAccECRImageDataSource_basic
=== CONT  TestAccECRImageDataSource_basic
--- PASS: TestAccECRImageDataSource_basic (16.29s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/ecr	22.223s

[github-actions]

This functionality has been released in v5.32.1 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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