AWS SDK for Go v2 MaxBackoff delay to match AWS SDK for Go v1 default

[ewbankkit]

Description

Sets the AWS SDK for Go v2 API client MaxBackoff to 300s, the AWS SDK for Go v1 default value.

Relations

Closes #36837.
Relates #36649.
Requires hashicorp/aws-sdk-go-base#1011.
Requires #36861.

Output from Acceptance Testing

% make sanity
make: sanity Check (48 tests of Top 30 resources)
make: like 'sane' but less output and runs all tests despite most errors
make: NOTE: NOT an exhaustive set of tests! Finds big problems only.
17 of 48 complete: 17 passed, 0 failed
33 of 48 complete: 33 passed, 0 failed
48 of 48 complete: 48 passed, 0 failed

Testing with FMS (#36649):

% AWS_DEFAULT_REGION=us-east-1 make testacc TESTARGS='-run=TestAccFMS_serial/AdminAccount/basic' PKG=fms
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go1.21.8 test ./internal/service/fms/... -v -count 1 -parallel 20  -run=TestAccFMS_serial/AdminAccount/basic -timeout 360m
=== RUN   TestAccFMS_serial
=== PAUSE TestAccFMS_serial
=== CONT  TestAccFMS_serial
=== RUN   TestAccFMS_serial/AdminAccount
=== RUN   TestAccFMS_serial/AdminAccount/basic
--- PASS: TestAccFMS_serial (1166.35s)
    --- PASS: TestAccFMS_serial/AdminAccount (1166.35s)
        --- PASS: TestAccFMS_serial/AdminAccount/basic (1166.35s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/fms	1178.508s

[github-actions]

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[jar-b]

LGTM 🎉

[ewbankkit]

After official aws-sdk-go-base releases:

% make sanity
make: sanity Check (48 tests of Top 30 resources)
make: like 'sane' but less output and runs all tests despite most errors
make: NOTE: NOT an exhaustive set of tests! Finds big problems only.
17 of 48 complete: 17 passed, 0 failed
33 of 48 complete: 33 passed, 0 failed
48 of 48 complete: 48 passed, 0 failed

[github-actions]

This functionality has been released in v5.45.0 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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