Support new data source pingone_roles and extend pingone_role data source schema

[patrickcping]

Change Description

• data-source/pingone_role: Now supports read-only attributes applicable_to and permissions.
• data-source/pingone_role: Now supports the ability to look up role data by ID.
• New data source: pingone_roles

Testing Results

Testing Shell Command

TF_ACC=1 go test -v -timeout 500s -run ^TestAccRoleDataSource_ github.com/pingidentity/terraform-provider-pingone/internal/service/base && TF_ACC=1 go test -v -timeout 500s -run ^TestAccRolesDataSource_ github.com/pingidentity/terraform-provider-pingone/internal/service/base

Testing Results

=== RUN   TestAccRoleDataSource_ByNameFull
=== PAUSE TestAccRoleDataSource_ByNameFull
=== RUN   TestAccRoleDataSource_ByIdFull
=== PAUSE TestAccRoleDataSource_ByIdFull
=== RUN   TestAccRoleDataSource_NotFound
=== PAUSE TestAccRoleDataSource_NotFound
=== CONT  TestAccRoleDataSource_ByNameFull
=== CONT  TestAccRoleDataSource_NotFound
=== CONT  TestAccRoleDataSource_ByIdFull
--- PASS: TestAccRoleDataSource_NotFound (0.31s)
--- PASS: TestAccRoleDataSource_ByIdFull (5.22s)
--- PASS: TestAccRoleDataSource_ByNameFull (35.65s)
PASS
ok      github.com/pingidentity/terraform-provider-pingone/internal/service/base        36.288s
=== RUN   TestAccRolesDataSource_All
=== PAUSE TestAccRolesDataSource_All
=== CONT  TestAccRolesDataSource_All
--- PASS: TestAccRolesDataSource_All (4.10s)
PASS
ok      github.com/pingidentity/terraform-provider-pingone/internal/service/base        4.870s