bug(kms): Add support for all Boundary supported KMSes (#213)

After moving to go-kms-wrapping V2, the Boundary Terraform Provider
did not load all KMS plugins resulting in an error when trying to
create a wrapper for any type other than aead:

    Error: error reading wrappers from "recovery_kms_hcl":
    Error configuring kms: plugin is nil

.goreleaser.yml

@@ -7,6 +7,7 @@ archives:
 before:
   hooks:
     - 'go mod download'
+    - './scripts/plugins.sh'
 builds:
   - # Binary naming only required for Terraform CLI 0.12
     binary: '{{ .ProjectName }}_v{{ .Version }}_x5'