chore: prepare v1.99.0 release

[ctrombley]

Description

This PR includes a couple dependency upgrades and prepares the changelog for the 1.99.0 release.

[datadog-terraform-cloud-hashicorp]

⚠️ Tests

⚠️ Warnings

❄️ 31 New flaky tests detected

TestAppliesLogs_RunDependent from github.com/hashicorp/go-tfe (Datadog)

Failed

=== RUN   TestAppliesLogs_RunDependent
    helper_test.go:1583: Polling run "run-8MzRPMdR4s8tnZGa" for status included in ["cost_estimated" "errored"] with deadline of 2026-01-07 19:21:41.469924873 +0000 UTC m=+124.407521744
    helper_test.go:1589: ...
    helper_test.go:1680: Reading run "run-8MzRPMdR4s8tnZGa"
    helper_test.go:1595: Run "run-8MzRPMdR4s8tnZGa" had status "pending"
    helper_test.go:1589: ...
    helper_test.go:1680: Reading run "run-8MzRPMdR4s8tnZGa"
    helper_test.go:1595: Run "run-8MzRPMdR4s8tnZGa" had status "pending"
...

TestCostEstimatesRead_RunDependent from github.com/hashicorp/go-tfe (Datadog)

Failed

=== RUN   TestCostEstimatesRead_RunDependent
    helper_test.go:1583: Polling run "run-C5QWnPEV2g7snsCM" for status included in ["cost_estimated" "errored"] with deadline of 2026-01-07 19:23:45.565593696 +0000 UTC m=+248.503190558
    helper_test.go:1589: ...
    helper_test.go:1680: Reading run "run-C5QWnPEV2g7snsCM"
    helper_test.go:1595: Run "run-C5QWnPEV2g7snsCM" had status "pending"
    helper_test.go:1589: ...
    helper_test.go:1680: Reading run "run-C5QWnPEV2g7snsCM"
    helper_test.go:1595: Run "run-C5QWnPEV2g7snsCM" had status "pending"
...

TestPlanExportsCreate_RunDependent from github.com/hashicorp/go-tfe (Datadog)

Failed

=== RUN   TestPlanExportsCreate_RunDependent
    helper_test.go:1583: Polling run "run-mWG761zWDSontoUr" for status included in ["cost_estimated" "planned" "post_plan_completed" "errored"] with deadline of 2026-01-07 19:25:52.125164926 +0000 UTC m=+375.062761787
    helper_test.go:1589: ...
    helper_test.go:1680: Reading run "run-mWG761zWDSontoUr"
    helper_test.go:1595: Run "run-mWG761zWDSontoUr" had status "pending"
    helper_test.go:1589: ...
    helper_test.go:1680: Reading run "run-mWG761zWDSontoUr"
    helper_test.go:1595: Run "run-mWG761zWDSontoUr" had status "pending"
...

View all

ℹ️ Info

🧪 All tests passed

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[github-actions]

Reminder to the contributor that merged this PR: if your changes have added important functionality or fixed a relevant bug, open a follow-up PR to update CHANGELOG.md with a note on your changes.