feat: Add required suffix when specifying log group ARN

[djsd123]

Description

Specifying a cloudwatch log-group ARN on an aws_fis_experiment_template like so:

  log_configuration {
    log_schema_version = 2

    cloudwatch_logs_configuration {
      log_group_arn = aws_cloudwatch_log_group.example.arn
    }
  }

results in:

╷
│ Error: creating AWS FIS (Fault Injection Simulator) Experiment Template (Test dev provider): operation error fis: CreateExperimentTemplate, https response error StatusCode: 400,
| RequestID: a84b03ea-b1ff-49f5-9be6-b0ad450666cf, ValidationException: The logGroupArn "arn:aws:logs:eu-west-1:${accountId}:log-group:/aws/fis" in cloudWatchLogsLogConfiguration is not valid.
│
│   with aws_fis_experiment_template.fis,
│   on fis.tf line 1, in resource "aws_fis_experiment_template" "fis":
│    1: resource "aws_fis_experiment_template" "fis" {
│
╵

This is because AWS expects this suffix :* on the log-group ARN like so:

  log_configuration {
    log_schema_version = 2

    cloudwatch_logs_configuration {
      log_group_arn = "${aws_cloudwatch_log_group.example.arn}:*"
    }
  }

As far as I can tell, the requirement for the suffix is not well documented. Also, the ambiguous Api error from AWS is not helpful. Propose the required suffix is added if not present. Specifying log_group_arn = aws_cloudwatch_log_group.example.arn is more intuitive imho.

Output from Acceptance Testing

Acceptance

➜  terraform-provider-aws git:(f-add-suffix-to-log-group-arn) ✗ make testacc TESTS=TestAccFISExperimentTemplate_loggingConfiguration PKG=fis
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/fis/... -v -count 1 -parallel 20 -run='TestAccFISExperimentTemplate_loggingConfiguration'  -timeout 360m
=== RUN   TestAccFISExperimentTemplate_loggingConfiguration
=== PAUSE TestAccFISExperimentTemplate_loggingConfiguration
=== CONT  TestAccFISExperimentTemplate_loggingConfiguration
--- PASS: TestAccFISExperimentTemplate_loggingConfiguration (74.06s)
PASS
ok      github.com/hashicorp/terraform-provider-aws/internal/service/fis        76.509s

Unit

➜  terraform-provider-aws git:(f-add-suffix-to-log-group-arn) ✗ make test PKG=fis
==> Checking that code complies with gofmt requirements...
go test ./internal/service/fis/...  -timeout=5m
ok      github.com/hashicorp/terraform-provider-aws/internal/service/fis        2.911s

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