bump hcp-sdk-go and fix packer import path

[sylviamoss]

🛠️ Description

Bump hcp-sdk-go to update the hcp packer client to the stable version of the API.

🚢 Release Note

Release note for CHANGELOG:

NONE

🏗️ 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=TestAcc_dataSourcePacker'
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/... -v -run=TestAcc_dataSourcePacker -timeout 210m
?       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     1.342s [no tests to run]
testing: warning: no tests to run
PASS
ok      github.com/hashicorp/terraform-provider-hcp/internal/input      1.180s [no tests to run]
=== RUN   TestAcc_dataSourcePacker
--- PASS: TestAcc_dataSourcePacker (36.33s)
=== RUN   TestAcc_dataSourcePackerImage
--- PASS: TestAcc_dataSourcePackerImage (30.60s)
=== RUN   TestAcc_dataSourcePackerImage_revokedIteration
--- PASS: TestAcc_dataSourcePackerImage_revokedIteration (28.98s)
=== RUN   TestAcc_dataSourcePackerIteration
--- PASS: TestAcc_dataSourcePackerIteration (28.10s)
PASS
ok      github.com/hashicorp/terraform-provider-hcp/internal/provider   124.953s

[bcmdarroch]

just pumped to 0.19.0, so you can pin to that: https://github.com/hashicorp/hcp-sdk-go/releases/tag/v0.19.0

[bcmdarroch]

👍 just need to bump SDK to 0.19.0