interceptors: migrate to otel and add logging interceptor

Signed-off-by: Adphi <philippe.adrien.nousse@gmail.com>

example/main.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"context"
+
+	"github.com/spf13/cobra"
+
+	"go.linka.cloud/grpc-toolkit/service"
+)
+
+func main() {
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	f, opts := service.NewFlagSet()
+	cmd := &cobra.Command{
+		Use: "example",
+		Run: func(cmd *cobra.Command, args []string) {
+			run(cmd.Context(), opts)
+		},
+	}
+	cmd.Flags().AddFlagSet(f)
+	cmd.ExecuteContext(ctx)
+}