Fix StandardRegistry name for RAM

[twelsh-aw]

Description

This got undone as part of our re-name in this provider 😅

Relations

Closes #32

References

Output from Acceptance Testing

% make testacc TESTS=TestAccOrgSetting
TF_ACC=1 go test ./... -v -count 1 -parallel 20 -run='TestAccOrgSetting'  -timeout 120m
?       github.com/docker/terraform-provider-docker     [no test files]
?       github.com/docker/terraform-provider-docker/internal/pkg/hubclient      [no test files]
?       github.com/docker/terraform-provider-docker/internal/pkg/repositoryutils        [no test files]
=== RUN   TestAccOrgSettingImageAccessManagement
--- PASS: TestAccOrgSettingImageAccessManagement (4.38s)
=== RUN   TestAccOrgSettingRegistryAccessManagement
--- PASS: TestAccOrgSettingRegistryAccessManagement (5.94s)
PASS
ok      github.com/docker/terraform-provider-docker/internal/provider   10.859s

[nicks]

😭