Add support for roles to both rate limit and lease count quotas

[raskchanky]

This adds support for the role attribute for both rate limit and lease count quotas.

Closes #1782

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Release note for CHANGELOG:

Add support for the `role` attribute for both rate limit and lease count quotas

Output from acceptance testing:

~/s/h/terraform-provider-vault ❯❯❯ (vault-14105) env TF_ACC=1 VAULT_TOKEN=root VAULT_ADDR=http://127.0.0.1:8200 go test -v -count=1 -run="^TestQuotaRateLimitWithRole\$" ./vault
2023/08/29 16:08:26 [INFO] Using Vault token with the following policies: root
=== RUN   TestQuotaRateLimitWithRole
--- PASS: TestQuotaRateLimitWithRole (0.80s)
PASS
ok      github.com/hashicorp/terraform-provider-vault/vault     1.336s
~/s/h/terraform-provider-vault ❯❯❯ (vault-14105) env TF_ACC=1 TF_ACC_ENTERPRISE=1 VAULT_TOKEN=root VAULT_ADDR=http://127.0.0.1:8200 go test -v -count=1 -run="^TestQuotaLeaseCountWithRole\$" ./vault
2023/08/29 16:08:38 [INFO] Using Vault token with the following policies: root
=== RUN   TestQuotaLeaseCountWithRole
--- PASS: TestQuotaLeaseCountWithRole (1.21s)
PASS
ok      github.com/hashicorp/terraform-provider-vault/vault     1.617s
~/s/h/terraform-provider-vault ❯❯❯ (vault-14105)

[raskchanky]

This is my first PR to this repo so if I did something wrong here, please let me know 😅

[fairclothjm]

Looking good @raskchanky ! Thanks! Just a few comments

[fairclothjm]

LGTM! Thanks!

[fairclothjm]

I forgot to mention the Import test step the last time around. Sorry about that! Otherwise LGTM! Thanks!

[vinay-gopalan]

Thanks for working through this! Apologies for the longer comments, these are definitely more nuanced bits of the TFVP so wanted to take a sec to be more descriptive! Happy to answer any more questions if needed :)

[raskchanky]

@vinay-gopalan Thank you so much for all the comments! Never apologize for too much information. This is terrific stuff, particularly for someone like me that's so new to this code. I appreciate all the time you took to write all this up.

[raskchanky]

@vinay-gopalan @fairclothjm Anything else to do here or is this good to merge?

[fairclothjm]

Thanks!