Provisioning: Add Validation and Mutation for Connection resource (#115596)

* WIP: mutator added, start working on validator

* first validator iteration

* second validator iteration

* wip: working on integration tests

* re-working mutation and validation, using Connection interface

* fixing some rebase things

* fixing integration tests

* formatting

* fixing unit tests

* k8s codegen

* linting

* moving tests which are available only for enterprise

* addressing comments: using repo config for connections, updating tests

* addressing comments: adding some more info in the app and installation

* fixing app data

* addressing comments: updating connection implementation

* addressing comments

* formatting

* fixing tests

pkg/server/wire.go

@@ -15,6 +15,7 @@ import (
 	"go.opentelemetry.io/otel/trace"
 
 	sdkhttpclient "github.com/grafana/grafana-plugin-sdk-go/backend/httpclient"
+	ghconnection "github.com/grafana/grafana/apps/provisioning/pkg/connection/github"
 	"github.com/grafana/grafana/apps/provisioning/pkg/repository/github"
 	"github.com/grafana/grafana/pkg/api"
 	"github.com/grafana/grafana/pkg/api/avatar"
@@ -297,6 +298,7 @@ var wireBasicSet = wire.NewSet(
 	notifications.ProvideService,
 	notifications.ProvideSmtpService,
 	github.ProvideFactory,
+	ghconnection.ProvideFactory,
 	tracing.ProvideService,
 	tracing.ProvideTracingConfig,
 	wire.Bind(new(tracing.Tracer), new(*tracing.TracingService)),