Provisioning: Begin using secrets store (#108044)

- Provisioning: Begin using secrets store
- Refactor integration with secrets store
- Add back the legacy service
- Separate concerns for encrypt and decrypt
- Handle update within Encrypt function
- Add interface for secure value service
- Add feature flag for using secrets service
- Add the dual service for temporary solution.

* Add first integration tests for encrypted tokens
* Add integration test for app platform secrets
* Validate it has the name or not
* Create wire provider
* Always save to the secret if provided secret

---------

Co-authored-by: Roberto Jimenez Sanchez <roberto.jimenez@grafana.com>
Co-authored-by: Roberto Jiménez Sánchez <jszroberto@gmail.com>

pkg/server/test_env.go

@@ -5,6 +5,7 @@ import (
 	"github.com/grafana/grafana/pkg/infra/httpclient"
 	"github.com/grafana/grafana/pkg/plugins/manager/registry"
 	"github.com/grafana/grafana/pkg/registry/apis/provisioning/repository/github"
+	"github.com/grafana/grafana/pkg/registry/apis/provisioning/secrets"
 	"github.com/grafana/grafana/pkg/services/auth"
 	"github.com/grafana/grafana/pkg/services/featuremgmt"
 	"github.com/grafana/grafana/pkg/services/grpcserver"
@@ -33,6 +34,7 @@ func ProvideTestEnv(
 	resourceClient resource.ResourceClient,
 	idService auth.IDService,
 	githubFactory *github.Factory,
+	repositorySecrets secrets.RepositorySecrets,
 ) (*TestEnv, error) {
 	return &TestEnv{
 		TestingT:            testingT,
@@ -48,6 +50,7 @@ func ProvideTestEnv(
 		ResourceClient:      resourceClient,
 		IDService:           idService,
 		GitHubFactory:       githubFactory,
+		RepositorySecrets:   repositorySecrets,
 	}, nil
 }
 
@@ -69,4 +72,5 @@ type TestEnv struct {
 	ResourceClient      resource.ResourceClient
 	IDService           auth.IDService
 	GitHubFactory       *github.Factory
+	RepositorySecrets   secrets.RepositorySecrets
 }