Vault: enable paths_filter and scaling for Plus-tier

[kkredit]

🛠️ Description

Vault: enable configuring the paths_filter on performance replicated secondaries and enable scaling of Plus-tier clusters.

🚢 Release Note

Release note for CHANGELOG:

* Vault: enable paths_filter and scaling in Plus-tier [GH-281]

🏗️ Acceptance tests

• Are there any feature flags that are required to use this functionality?
• Have you added an acceptance test for the functionality being added?
• Have you run the acceptance tests on this branch?

Output from acceptance testing:

$ make testacc TESTARGS='-run=TestAccPerformanceReplication_Validations'
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/... -v -run=TestAccPerformanceReplication_Validations -timeout 120m
?       github.com/hashicorp/terraform-provider-hcp/internal/clients    [no test files]
testing: warning: no tests to run
PASS
ok      github.com/hashicorp/terraform-provider-hcp/internal/consul     (cached) [no tests to run]
testing: warning: no tests to run
PASS
ok      github.com/hashicorp/terraform-provider-hcp/internal/input      (cached) [no tests to run]
=== RUN   TestAccPerformanceReplication_Validations
--- PASS: TestAccPerformanceReplication_Validations (5708.86s)
PASS
ok      github.com/hashicorp/terraform-provider-hcp/internal/provider   5709.379s

[bcmdarroch]

Since the behavior here is unexpected, maybe worth noting that this is a temporary workaround the API?

[kkredit]

The API changes that would enable removing this special case are not currently planned, so that kind of comment wouldn't be accurate. Okay to leave as is, or would you like more explanation in the comments?

[bcmdarroch]

I think further explanation would help!

[bcmdarroch]

Looks good! 🎉