chore: remove CI dependencies on personal repos

[ctrombley]

Description

This PR removes all personal repos from the pool of CI dependencies. Their references are being replaced with refs to a service-user-owned-fork.

[datadog-terraform-cloud-hashicorp]

⚠️ Tests

✨ Fix all issues with Cursor

⚠️ Warnings

❄️ 5 New flaky tests detected

TestPolicySetsCreate from policy_set_integration_test.go (Datadog) (Fix with Cursor)

failed test

    TestPolicySetsCreate/with_vcs_policy_set from policy_set_integration_test.go (Fix with Cursor)

TestPolicySetsCreate/with_vcs_policy_updated from policy_set_integration_test.go (Datadog) (Fix with Cursor)

	Error Trace:	/home/runner/work/go-tfe/go-tfe/policy_set_integration_test.go:466
	            				/home/runner/go/pkg/mod/github.com/!data!dog/dd-trace-go/v2@v2.6.0/internal/civisibility/integrations/gotesting/instrumentation_orchestrion.go:289
	            				/home/runner/go/pkg/mod/github.com/!data!dog/dd-trace-go/v2@v2.6.0/internal/civisibility/integrations/gotesting/instrumentation_orchestrion.go:293
	Error:      	Received unexpected error:
	            	invalid value for policy set ID
	Test:       	TestPolicySetsCreate/with_vcs_policy_updated

View all

ℹ️ Info

🧪 All tests passed

_{This comment will be updated automatically if new data arrives.
🔗 Commit SHA: 1f98fea | Docs | Was this helpful? Give us feedback!}

[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.