[New Resource] - AWS Prometheus workspace configuration

[bonclay7]

This PR introduces a new resource for the AMP workspace configuration options including limits by label set and retention period

Output from Acceptance Testing

make build && make testacc TESTARGS='-run=TestAccAMPWorkspaceConfiguration' PKG=amp ACCTEST_PARALLELISM=5
make: Verifying source code with gofmt...
==> Checking that code complies with gofmt requirements...
make: Building provider...
make: Verifying source code with gofmt...
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go1.23.8 test ./internal/service/amp/... -v -count 1 -parallel 5  -run=TestAccAMPWorkspaceConfiguration -timeout 360m -vet=off
2025/05/06 17:56:48 Initializing Terraform AWS Provider...
=== RUN   TestAccAMPWorkspaceConfiguration_basic
=== PAUSE TestAccAMPWorkspaceConfiguration_basic
=== RUN   TestAccAMPWorkspaceConfiguration_defaultBucket
=== PAUSE TestAccAMPWorkspaceConfiguration_defaultBucket
=== RUN   TestAccAMPWorkspaceConfiguration_limitPerLabelSet
=== PAUSE TestAccAMPWorkspaceConfiguration_limitPerLabelSet
=== CONT  TestAccAMPWorkspaceConfiguration_basic
=== CONT  TestAccAMPWorkspaceConfiguration_limitPerLabelSet
=== CONT  TestAccAMPWorkspaceConfiguration_defaultBucket
--- PASS: TestAccAMPWorkspaceConfiguration_limitPerLabelSet (80.47s)
--- PASS: TestAccAMPWorkspaceConfiguration_defaultBucket (90.73s)
--- PASS: TestAccAMPWorkspaceConfiguration_basic (153.64s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/amp	155.508s
...

[github-actions]

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[github-actions]

✅ Thank you for correcting the previously detected issues! The maintainers appreciate your efforts to make the review process as smooth as possible.

[ewbankkit]

LGTM 🚀.

% make testacc TESTARGS='-run=TestAccAMPWorkspaceConfiguration_' PKG=amp
make: Verifying source code with gofmt...
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go1.23.9 test ./internal/service/amp/... -v -count 1 -parallel 20  -run=TestAccAMPWorkspaceConfiguration_ -timeout 360m -vet=off
2025/05/31 17:18:37 Initializing Terraform AWS Provider...
=== RUN   TestAccAMPWorkspaceConfiguration_basic
=== PAUSE TestAccAMPWorkspaceConfiguration_basic
=== RUN   TestAccAMPWorkspaceConfiguration_defaultBucket
=== PAUSE TestAccAMPWorkspaceConfiguration_defaultBucket
=== RUN   TestAccAMPWorkspaceConfiguration_limitPerLabelSet
=== PAUSE TestAccAMPWorkspaceConfiguration_limitPerLabelSet
=== CONT  TestAccAMPWorkspaceConfiguration_basic
=== CONT  TestAccAMPWorkspaceConfiguration_limitPerLabelSet
=== CONT  TestAccAMPWorkspaceConfiguration_defaultBucket
--- PASS: TestAccAMPWorkspaceConfiguration_defaultBucket (90.82s)
--- PASS: TestAccAMPWorkspaceConfiguration_limitPerLabelSet (97.07s)
--- PASS: TestAccAMPWorkspaceConfiguration_basic (168.72s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/amp	173.909s