make EKS access entry user_name and type configurable

[AndrewChubatiuk]

Description

currently type and user_name properties of aws_eks_access_entry, which makes it impossible to utilize this resource for nodes. fixed it

Relates #35037.

[github-actions]

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[ewbankkit]

LGTM 🚀.

% make testacc TESTARGS='-run=TestAccEKSAccessEntry_username\|TestAccEKSAccessEntry_basic\|TestAccEKSAccessEntry_type' PKG=eks
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/eks/... -v -count 1 -parallel 20  -run=TestAccEKSAccessEntry_username\|TestAccEKSAccessEntry_basic\|TestAccEKSAccessEntry_type -timeout 360m
=== RUN   TestAccEKSAccessEntry_basic
=== PAUSE TestAccEKSAccessEntry_basic
=== RUN   TestAccEKSAccessEntry_type
=== PAUSE TestAccEKSAccessEntry_type
=== RUN   TestAccEKSAccessEntry_username
=== PAUSE TestAccEKSAccessEntry_username
=== CONT  TestAccEKSAccessEntry_basic
=== CONT  TestAccEKSAccessEntry_username
=== CONT  TestAccEKSAccessEntry_type
--- PASS: TestAccEKSAccessEntry_basic (547.95s)
--- PASS: TestAccEKSAccessEntry_type (539.67s)
--- PASS: TestAccEKSAccessEntry_username (620.27s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/eks	630.416s

[ewbankkit]

@AndrewChubatiuk Thanks for the contribution 🎉 👏.

[github-actions]

This functionality has been released in v5.34.0 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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